A&P Chapter 13 Flashcards
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Lobes of the brain are named for the bones superficial to them and are part of the: A. cerebrum. B. cerebellum. C. diencephalon. D. metencephalon.
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A. cerebrum.
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The shallow depressions between folds on the surface of the brain are called: A. gyri. B. sulci. C. ventricles. D. syncitia.
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B. sulci.
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In human brain anatomy, the term ______ is synonymous with anterior. A. caudal B. dorsal C. rostral
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C. rostral
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Arrange the primary brain vesicles in the correct anterior to posterior order. a: Rhombencephalon b: Mesencephalon c: Prosencephalon A. a, c, b B. b, a, c C. a, b, c D. c, b, a E. c, a, b
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D. c, b, a
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Neural tissue develops in the embryo from a portion of the: A. ectoderm. B. endoderm. C. mesoderm.
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A. ectoderm.
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The process by which the notochord induces the formation of the neural tube is known as _________.
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neurulation
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The scientific name for the embryonic midbrain is the _________.
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mesencephalon
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The primary vesicle from which the metencephalon arises is the: A. diencephalon. B. rhombencephalon. C. mesencephalon. D. myelencephalon. E. proscencephalon.
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B. rhombencephalon.
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The opening of the neural tube that is closest to the future head is the: A. anterior neural fold. B. cranial neuropore. C. rostral neural groove. D. caudal neural canal. E. neural crest aperture.
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B. cranial neuropore.
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Arrange the five secondary vesicles in the correct anterior to posterior order. a: Diencephalon b: Myelencephalon c: Telencephalon d: Metencephalon e: Mesencephalon A. b, a, c, d, e B. a, b, c, d, e C. b, c, a, e, d D. c, d, e, a, b E. c, a, e, d, b
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E. c, a, e, d, b
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Which secondary brain vesicle forms the portion of the adult brain that includes the epithalamus, thalamus, and hypothalamus? A. Telencephalon B. Diencephalon C. Myelencephalon D. Metencephalon E. Mesencephalon
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B. Diencephalon
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The portion of the adult brain that includes the cerebrum is derived from which secondary brain vesicle? A. Telencephalon B. Diencephalon C. Myelencephalon D. Metencephalon E. Mesencephalon
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A. Telencephalon
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The portion of the adult brain that includes the medulla oblongata is derived from which secondary brain vesicle? A. Telencephalon B. Diencephalon C. Myelencephalon D. Metencephalon E. Mesencephalon
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C. Myelencephalon
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The portion of the adult brain that includes the cerebral peduncles, superior colliculi, and inferior colliculi is derived from which secondary brain vesicle? A. Telencephalon B. Diencephalon C. Myelencephalon D. Metencephalon E. Mesencephalon
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E. Mesencephalon
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Clusters of gray matter that contain neuron cell bodies and lie within masses of white matter are the: A. cortex. B. cerebral ganglia. C. cerebral nuclei. D. cerebral peduncles. E. ventricles.
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C. cerebral nuclei.
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The cerebral cortex consists of ______ matter. A. gray B. white
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A. gray
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What is the correct order for the cranial meninges, from superficial to deep? a: Dura mater b: Pia mater c: Arachnoid mater A. a, b, c B. a, c, b C. b, a, c D. b, c, a E. c, b, a
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B. a, c, b
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Which of the cranial meninges consists of dense irregular connective tissue in two layers (the periosteal layer and the meningeal layer)? A. Pia mater B. Arachnoid C. Dura mater D. Subdural layer E. Subarachnoid layer
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C. Dura mater
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Dural venous sinuses are areas where: A. the meningeal and periosteal layers separate to form large blood-filled spaces. B. cerebrospinal fluid is produced. C. cerebrospinal fluid is stored. D. large numbers of nuclei congregate. E. glial cells are formed.
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A. the meningeal and periosteal layers separate to form large blood-filled spaces.
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The meninx composed of a delicate web of collagen and elastic fibers is the: A. pia mater. B. arachnoid mater. C. dura mater. D. periosteal layer. E. subarachnoid layer.
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B. arachnoid mater.
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The meninx composed of a thin layer of delicate areolar connective tissue that follows every contour of the brain surface is the: A. pia mater. B. arachnoid mater. C. dura mater. D. periosteal layer. E. subdural layer.
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A. pia mater.
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The area underneath the middle meninx where cerebrospinal fluid is located is the __________ space.
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subarachnoid
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The horizontally oriented fold of dura mater that separates the occipital and temporal lobes of the cerebrum from the cerebellum is the: A. diaphragma sellae. B. falx cerebelli. C. tentorium cerebelli. D. superior sagittal sinus. E. falx cerebri.
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C. tentorium cerebelli.
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The largest of the four dural septa, this large, sickle-shaped vertical fold of dura mater separates the left and right cerebral hemispheres. A. Diaphragma sellae B. Falx cerebelli C. Tentorium cerebelli D. Superior sagittal sinus E. Falx cerebri
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E. Falx cerebri
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A sickle-shaped vertical partition that divides the left and right cerebellar hemispheres is the: A. diaphragma sellae. B. falx cerebelli. C. tentorium cerebelli. D. superior sagittal sinus. E. falx cerebri.
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B. falx cerebelli.
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A brain ventricle located in the cerebrum is the _____ ventricle. A. third B. lateral C. fourth D. median E. falx
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B. lateral
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The brain ventricle located in the diencephalon is the _____ ventricle. A. third B. lateral C. fourth D. median E. falx
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A. third
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The brain ventricle located between the pons and the cerebellum is the _____ ventricle. A. third B. lateral C. fourth D. median E. falx
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C. fourth
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The partition between the lateral ventricles is the: A. central canal. B. interventricular foramen. C. mesencephalic aqueduct. D. ventricular canal. E. septum pellucidum.
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E. septum pellucidum.
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Which is not a function of cerebrospinal fluid? A. CSF helps to remove waste products from the brain. B. CSF helps to reduce the effective weight of the brain. C. CSF transports nutrients and chemicals to the brain. D. CSF helps to promote mitosis within neuronal tissue. E. CSF provides a liquid cushion to protect the brain from sudden movements.
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D. CSF helps to promote mitosis within neuronal tissue
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The brain floats within the cerebrospinal fluid. TRUE OR FALSE
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TRUE
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Cerebrospinal fluid is formed by the: A. choroid plexus. B. arachnoid villi. C. arachnoid granulation. D. septum pellucidum. E. mesencephalic aqueduct.
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A. choroid plexus.
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The amount of CSF within the brain at any given moment is approximately: A. 600 ml. B. 1,200 ml. C. 130 ml. D. 12 ml. E. 4,800 ml.
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C. 130 ml.
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Excess CSF is removed from the subarachnoid space by: A. the median aperture. B. microglia. C. astrocytes. D. arachnoid villi. E. the choroid plexus.
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D. arachnoid villi.
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The type of glial cell that plays a critical role in the formation of CSF is the _________ cell.
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ependymal
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List these events in the correct order for CSF flow in the CNS. a: CSF flows into the arachnoid villi. b: CSF enters the blood. c: CSF flows through the cerebral aqueduct to the 4th ventricle. d: CSF flows into the subarachnoid space. e: CSF is produced by the choroid plexus. A. a, b, c, e, d B. e, a, b, c, d C. c, d, a, e, b D. e, c, d, a, b E. e, d, a, b, c
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D. e, c, d, a, b
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The blood-brain barrier is made up of: A. microglial extensions and capillary endothelial cells. B. ependymal cells and venous blood vessels. C. astrocyte perivascular feet and capillary endothelial cells. D. astrocyte extensions and dural sinuses. E. astrocyte perivascular feet and the falx cerebri.
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C. astrocyte perivascular feet and capillary endothelial cells.
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Endothelial cells within capillaries of the brain are linked to their neighbors by ______ junctions that prevent diffusion of some substances across the capillary wall.
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tight
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The blood-brain barrier is reduced or missing from three locations in the brain. Which is not one of these locations? A. Hypothalamus B. Pineal gland C. Cerebrum D. Choroid plexus
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C. Cerebrum
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Lipid-soluble compounds are incapable of penetrating the blood-brain barrier. TRUE OR FALSE
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FALSE
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The location of conscious thought processes and the origin of all complex intellectual functions is the: A. cerebellum. B. pons. C. hypothalamus. D. corpus callosum. E. cerebrum.
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E. cerebrum.
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The major pathway of communication between the right and left hemisphere is the: A. cerebral gyri. B. cerebral sulci. C. longitudinal fissure. D. hypothalamus. E. corpus callosum.
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E. corpus callosum.
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Most commonly, which cerebral hemisphere is responsible for controlling speech? A. Left B. Right
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A. Left
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Generally, the left cerebral hemisphere issues motor commands for the right side of the body. TRUE OR FALSE
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TRUE
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Which of the five cerebral lobes is the one not visible on the surface of the brain? A. Insula B. Temporal C. Frontal D. Occipital E. Parietal
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A. Insula
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One function of the brain's frontal lobe is: A. smell. B. verbal communication. C. hearing. D. speech interpretation. E. vision
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B. verbal communication.
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The portion of the brain involved primarily with vision is the: A. occipital lobe. B. temporal lobe. C. insula. D. parietal lobe. E. frontal lobe.
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A. occipital lobe.
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Cerebral lateralization refers to the: A. difficulty in assigning a precise function to a specific region of the cortex. B. generalization that both cerebral hemispheres receive their sensory information from and project motor commands to the opposite side of the body. C. separation of the various lobes of the brain from each other. D. crisscrossing of information between the two hemispheres. E. functional differences between the right and left hemispheres.
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E. functional differences between the right and left hemispheres.
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The lobe that is immediately posterior to the central sulcus and that is involved in general sensory functions is the: A. occipital lobe. B. temporal lobe. C. insula. D. parietal lobe. E. frontal lobe.
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D. parietal lobe.
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The lateral sulcus is superior to the: A. occipital lobe. B. temporal lobe C. insula D. parietal lobe E. frontal lobe
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B. temporal lobe
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The frontal eye field is immediately anterior to the premotor cortex. TRUE OR FALSE
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TRUE
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The Wernicke area is the motor speech area of the frontal lobe. TRUE OR FALSE
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FALSE
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The primary gustatory cortex processes information about ________ and is located in the ______. A. sound, cerebellum B. taste, insula C. taste, frontal lobe D. smell, parietal lobe E. smell, temporal lobe
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B. taste, insula
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The feet of the sensory homunculus are located: A. medially on the postcentral gyrus. B. medially on the precentral gyrus. C. laterally on the postcentral gyrus. D. laterally on the precentral gyrus.
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A. medially on the postcentral gyrus.
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The gnostic area is a part of the frontal lobe that integrates the learning of skilled motor activities. TRUE OR FALSE
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FALSE
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Association areas: A. correlate information from opposite sides of the brain. B. correlate similar functions from different lobes on the same side of the brain. C. correlate similar functions from the same lobes on the opposite side of the brain. D. integrate new sensory inputs with memories of past experiences. E. integrate outgoing motor information.
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D. integrate new sensory inputs with memories of past experiences.
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The gnostic area of the brain provides comprehensive understanding of a current activity. It is composed of portions of the: A. parietal and frontal lobes. B. occipital and parietal lobes. C. temporal and occipital lobes. D. parietal, occipital, and frontal lobes. E. parietal, occipital, and temporal lobes.
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E. parietal, occipital, and temporal lobes.
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A person with damage to the premotor cortex area that coordinates eye movements: A. can read but cannot understand the words. B. cannot read or understand the words. C. can understand the words but cannot follow the lines on the page. D. can process linguistic information visually but not through auditory inputs.
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C. can understand the words but cannot follow the lines on the page.
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Association tracts: A. connect different regions of the cerebral cortex with the opposite hemisphere. B. extend between the right and left cerebral hemispheres. C. link the cerebral cortex to the caudal brain regions and the spinal cord. D. connect different regions of the cerebral cortex within the same hemisphere. E. None of the choices is correct
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D. connect different regions of the cerebral cortex within the same hemisphere.
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Commissural tracts: A. extend between the right and left cerebral hemispheres. B. connect a region of one lobe with another lobe in the same hemisphere. C. connect different regions within a lobe. D. connect different regions of the cerebral cortex within the same hemisphere. E. link the cerebral cortex to the caudal brain regions and the spinal cord.
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A. extend between the right and left cerebral hemispheres.
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Projection tracts: A. extend between the right and left cerebral hemispheres. B. link the cerebral cortex to the caudal brain regions and the spinal cord. C. connect different regions within a lobe. D. connect different regions of the cerebral cortex within the same hemisphere. E. connect a region of one lobe with another lobe in the same hemisphere.
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B. link the cerebral cortex to the caudal brain regions and the spinal cord.
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The bundle of projection tracts that passes between the cerebral nuclei and the thalamus is the ________ capsule.
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Internal
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Anatomical asymmetries between the two cerebral hemispheres are known as _______.
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petalias
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The ______ hemisphere is known for its involvement in categorization, symbolization, and analytical reasoning. A. left B. right
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A. left
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Which skills are associated with the right hemisphere for most individuals? A. Language and task sequencing B. Categorization and symbolization C. Visuospatial skills and music D. Mathematics and the partitioning of information into small fragments
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C. Visuospatial skills and music
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The left hemisphere is dominant for speech in almost all right-handed people and in many left-handed ones. TRUE OR FALSE
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TRUE
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Which structures form the lentiform nucleus? A. Putamen and globus pallidus B. Globus pallidus and caudate nucleus C. Caudate nucleus and claustrum D. Putamen and claustrum E. Amygdaloid body and globus pallidus
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A. Putamen and globus pallidus
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Paired, irregular masses of gray matter buried deep within the central white matter in the basal region of the cerebral hemispheres, inferior to the floor of the lateral ventricle, are the: A. cerebral nuclei. B. corpus callosi. C. inferior colliculi. D. interthalamic adhesions. E. ventricular connections.
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A. cerebral nuclei.
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Which nucleus stimulates the muscles to produce the pattern of arm and leg movements associated with walking? A. Amygdaloid body B. Caudate nucleus C. Putamen D. Globus pallidus E. Claustrum
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B. Caudate nucleus
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Which nucleus is part of the lentiform nucleus that controls muscular movement at the subconscious level? A. Amygdaloid body B. Caudate nucleus C. Putamen D. Dentate nucleus E. Claustrum
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C. Putamen
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This nucleus both excites and inhibits the activities of the thalamus to control and adjust muscle tone. A. Amygdaloid body B. Caudate nucleus C. Putamen D. Globus pallidus E. Claustrum
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D. Globus pallidus
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Following a head injury, a young woman frequently loses her temper and is often depressed and otherwise "moody". What part of the brain do you think has been damaged? A. Amygdaloid body B. Caudate nucleus C. Putamen D. Globus pallidus E. Claustrum
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A. Amygdaloid body
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Which part of the brain contains the epithalamus, hypothalamus, and the thalamus? A. Pons B. Medulla oblongata C. Diencephalon D. Cerebrum E. Cerebellum
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C. Diencephalon
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This portion of the brain forms part of the roof of the diencephalon and covers the third ventricle. Its posterior portion houses the pineal gland and the habenular nuclei. A. Epithalamus B. Thalamus C. Hypothalamus D. Cerebellum E. Infundibulum
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A. Epithalamus
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This portion of the brain secretes the hormone melatonin, which helps to regulate the body's circadian rhythm. A. Habenular nucleus B. Anterior nucleus C. Pineal gland D. Mammillary body E. Paraventricular nucleus
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C. Pineal gland
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Which structure plays a crucial role in filtering out the irrelevant noise at a crowded party so that you can listen to someone speaking to you? A. Thalamus B. Hypothalamus C. Epithalamus
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A. Thalamus
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Which structure serves as the main relay point for sensory information that is headed to a primary sensory region of the cerebral cortex? A. Hypothalamus B. Epithalamus C. Thalamus D. Pineal body E. Pons
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C. Thalamus
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A football player can hear his coach's voice above the noise of the crowd and can sense an opponent about to run him down. These abilities are due to the action of what part of the brain? A. Hypothalamus B. Epithalamus C. Thalamus D. Pineal body E. Pons
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C. Thalamus
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The brain region that exerts significant control over the endocrine system is the: A. pons. B. thalamus. C. hypothalamus. D. epithalamus.
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C. hypothalamus.
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The hypothalamus exerts master control over the motor system. TRUE OR FALSE
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FALSE
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Functions of the hypothalamus include regulation of body temperature and water intake. TRUE OR FALSE
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TRUE
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The sleep-wake cycle and the sex drive are both regulated by the: A. pons. B. thalamus. C. hypothalamus. D. olive.
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C. hypothalamus.
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The tectal plate (corpora quadrigemina) is part of what portion of the brain? A. Diencephalon B. Brainstem C. Thalamus D. Telencephalon E. Epithalamus
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B. Brainstem
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As motor tracts descend to the brainstem they become the anterolateral surfaces of the midbrain known as the: A. inferior colliculi. B. accessory nerves. C. inferior olives. D. cerebral peduncles. E. substantia nigra.
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D. cerebral peduncles.
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The superior olivary complex is involved in detecting the: A. location of a sound. B. brightness of a light. C. flavor of a taste. D. intensity of a smell. E. texture of a touch stimulus.
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A. location of a sound.
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Which are the midbrain nuclei that produce dopamine, and thereby affect motor control? A. Red nuclei B. Cerebral nuclei C. Substantia nigra D. Arcuate nuclei
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C. Substantia nigra
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The superior colliculi help you respond to: A. visual stimuli, for example, when you turn toward a bright flash of light. B. auditory stimuli, for example, when you turn toward a loud bang. C. somatic stimuli, for example, when you swat at a bug that has landed on your arm. D. internal stimuli from your viscera, for example, when you feel abdominal pain.
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A. visual stimuli, for example, when you turn toward a bright flash of light.
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The inferior colliculi are auditory reflex centers of the midbrain. TRUE OR FALSE
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TRUE
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Which portion of the brain contains the posterior part of the fourth ventricle? A. Pons B. Thalamus C. Medulla oblongata D. Hypothalamus E. Cerebellum
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C. Medulla oblongata
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Axons of the corticospinal tract cross the brainstem at the: A. medial lemniscus of the pons. B. decussation of the pyramids in the medulla oblongata. C. primary fissure of the cerebellum. D. cerebral aqueduct of the midbrain. E. hypoglossal canal.
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B. decussation of the pyramids in the medulla oblongata.
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The medulla oblongata contains a cardiac center and a medullary respiratory center. TRUE OR FALSE
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TRUE
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The vasomotor center is an important regulator of ________ and is located in the ________. A. voluntary movement, frontal lobe B. blood pressure, pons C. visual reflexes, pons D. blood pressure, medulla oblongata. E. visual reflexes, midbrain
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D. blood pressure, medulla oblongata.
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The numerous folds of the cerebellar cortex are called: A. fissures. B. gyri. C. vermis. D. folia. E. petalias.
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D. folia.
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Which part of the brain contains the arbor vitae? A. Pons B. Medulla oblongata C. Cerebrum D. Cerebellum E. Epithalamus
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D. Cerebellum
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The middle cerebral peduncles connect the cerebellum to the: A. spinal cord. B. pons. C. medulla. D. midbrain. E. diencephalon.
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B. pons.
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The inferior cerebellar peduncles connect the cerebellum to the midbrain. TRUE OR FALSE
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FALSE
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This portion of the brain ensures that skeletal muscle contraction follows the correct pattern leading to smooth, coordinated movements. A. Pons B. Medulla oblongata C. Cerebrum D. Cerebellum E. Epithalamus
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D. Cerebellum
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Which portion of the brain adjusts skeletal muscle activity to maintain equilibrium and posture? A. Pons B. Medulla oblongata C. Cerebrum D. Cerebellum E. Epithalamus
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D. Cerebellum
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The __________ is composed of multiple structures that collaboratively process and experience emotions. A. medulla oblongata B. cerebellum C. hypothalamus D. limbic system E. cerebellar peduncle
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D. limbic system
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The limbic system allows: A. processing and experiencing of emotion. B. bending over backwards. C. perception of language. D. expression of language. E. retrieving memories from a long time ago.
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A. processing and experiencing of emotion.
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The part of the limbic system involved in storing memories and forming long-term memory is the: A. cingulate gyrus. B. amygdaloid body. C. fornix. D. mammillary body. E. hippocampus.
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E. hippocampus.
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During a mugging, a person experiences an extreme level of fear. What portion of the limbic system is responsible for this and other emotional states? A. Cingulate gyrus B. Amygdaloid body C. The fornix D. Mammillary bodies E. Hippocampus
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B. Amygdaloid body
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An arch of white matter that connects the hippocampus to structures in the diencephalon is the ________.
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Fornix
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What is the name of the brainstem sensory area that contains axons that project to the cerebral cortex to arouse us from sleep? A. Habenular nucleus B. Reticular activating system C. Mammillary body D. Hippocampus E. Parahippocampal gyrus
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B. Reticular activating system
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One function of the reticular formation is to assist in the regulation of respiration and blood pressure. TRUE OR FALSE
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TRUE
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The reticular formation is an area of the brain that: A. is sensory in function. B. is motor in function. C. has sensory and motor components. D. serves higher order cognitive functions.
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C. has sensory and motor components.
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Damage to which lobe of the brain (that normally plans appropriate behavior) has been most frequently associated with personality abnormalities? A. Frontal B. Parietal C. Occipital D. Temporal E. Insula
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A. Frontal
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Cognition is generally thought to be governed by: A. association areas of the cerebrum. B. gray matter of the cerebellum. C. the reticular formation of the brainstem. D. primary sensory cortices and projection tracts. E. the corpus callosum.
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A. association areas of the cerebrum.
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An ability to recognize stimuli (e.g., faces) or understand the meanings of common words is generally called _______.
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Agnosia
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The advances in higher order brain functioning that happen from birth to age five correlate with: A. an increase in the number of brain neurons. B. completion of PNS myelination. C. an increase in total brain size and complexity. D. completion of myelination of the frontal cortex.
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C. an increase in total brain size and complexity.
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Prefrontal cortex axons generally complete myelination by the time puberty is reached. TRUE OR FALSE
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FALSE
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A memory that has lasted over a weekend is described as a: A. short term memory. B. long term memory.
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B. long term memory.
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Formation of new memories involves the ________, and storage of long term memories primarily involves the ________. A. hippocampus, association areas of the cerebrum B. habenulum, amygdaloid body C. amygdala, reticular formation D. cerebellum, corpus callosum E. lateral ventricles, hippocampus
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A. hippocampus, association areas of the cerebrum
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Your memories of the sights and sounds of your elementary school are probably stored in: A. the arbor vitae of your cerebellum. B. association cortex areas of your cerebrum. C. your hippocampus and amygdala. D. your thalamus and hypothalamus. E. your limbic system and cranial nerves.
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B. association cortex areas of your cerebrum.
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Interpretation of emotion is governed by the _______, and expression of emotion is governed by the ________. A. hippocampus, hypothalamus B. hypothalamus, hippocampus C. limbic system, prefrontal cortex D. prefrontal cortex, amygdala E. endocrine system, association cortex
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C. limbic system, prefrontal cortex
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Damages to the amygdaloid body result in atypical expressions of emotion. TRUE OR FALSE
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TRUE
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Which would be the correct order of brain area activation if one were to understand a sentence and repeat it aloud? A. Wernicke area, Broca area, primary motor cortex B. Primary motor cortex, Broca area, Wernicke area C. Broca area, Wernicke area, primary motor cortex D. Wernicke area, primary motor cortex, Broca area E. Broca area, primary motor cortex, Wernicke area
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A. Wernicke area, Broca area, primary motor cortex
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Dull, emotionless speech is called _________.
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Aprosodia
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Which is the most anterior cranial nerve? A. Trochlear B. Optic C. Olfactory D. Oculomotor E. Accessory
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C. Olfactory
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A patient visits her doctor and explains that since being hit on the cheek with a hockey puck she has been suffering from dry eyes and a dry mouth. It's apparent to the doctor that, since both lacrimal secretion and salivary secretion are affected, there may be damage to the ____________ nerve. A. Trigeminal B. Hypoglossal C. Glossopharyngeal D. Abducens E. Facial
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E. Facial
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Which cranial nerve is composed of only motor fibers? A. VI B. VIII C. IX D. V E. I
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A. VI
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The cranial nerve responsible for movement of the medial rectus, superior rectus, inferior rectus, and inferior oblique muscles is the __________ nerve. A. oculomotor B. trochlear C. abducens D. trigeminal E. hypoglossal
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A. oculomotor
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The cranial nerve that innervates smooth muscle and glands of the heart, lungs, larynx, trachea, and most abdominal organs is the ___________ nerve. A. facial B. trigeminal C. vagus D. accessory E. hypoglossal
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C. vagus
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The cranial nerve that passes through the cribriform plate of the ethmoid bone is the __________ nerve. A. optic B. olfactory C. trigeminal D. oculomotor E. abducens
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B. olfactory
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Bell palsy is a condition characterized by the paralysis of facial muscles, eyelid droop, and sagging at the corners of the mouth. What nerve is affected in this condition? A. Olfactory B. Trigeminal C. Facial D. Accessory E. Hypoglossal
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C. Facial
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This figure shows a left lateral view of the brain. What structure does number 1 indicate? A. Central gyrus B. Lateral sulcus C. Lateral fissure D. Central sulcus E. Longitudinal fissure
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B. Lateral sulcus
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This figure shows a left lateral view of the brain. What lobe does number 2 indicate? A. Temporal B. Frontal C. Parietal D. Occipital E. Insula
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A. Temporal
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This figure shows a frontal section of the cerebrum. What structure does number 1 indicate? A. Fourth ventricle B. Third ventricle C. Lateral ventricle D. Corpus callosum E. Cerebral nuclei
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C. Lateral ventricle
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This figure shows a frontal section of the cerebrum. What structure does number 2 indicate? A. Central canal B. Lateral ventricle C. Brainstem D. Corpus callosum E. Fourth ventricle
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D. Corpus callosum
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This figure shows the lobes of the cerebrum. What structure does number 1 indicate? A. Primary auditory cortex B. Primary olfactory cortex C. Primary gustatory cortex D. Primary visual cortex E. Primary motor cortex
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D. Primary visual cortex
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This figure shows the lobes of the cerebrum. What structure does number 2 indicate? A. Primary auditory cortex B. Primary olfactory cortex C. Primary gustatory cortex D. Primary visual cortex E. Primary motor cortex
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A. Primary auditory cortex
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Most of the gyri and sulci of the human brain develop very early in the fetal period. TRUE OR FALSE
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FALSE
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The white matter of the brain derives its color from myelin. TRUE OR FALSE
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TRUE
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In both the cerebrum and the cerebellum, white matter lies deep to superficial gray matter. TRUE OR FALSE
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TRUE
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The brain ventricles are continuous with one another and with the central canal of the spinal cord. TRUE OR FALSE
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TRUE
question
The mesencephalic (cerebral) aqueduct carries CSF from the lateral ventricles to the third ventricle. TRUE OR FALSE
answer
FALSE
question
Cerebrospinal fluid is identical to blood plasma. TRUE OR FALSE
answer
FALSE
question
The vestibulocochlear nerve is the only cranial nerve that doesn't exit the skull via an opening or foramen. TRUE OR FALSE
answer
TRUE