chapter 12 exam – Flashcards

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Temporal
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Auditory area.
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Parietal
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Primary sensory cortex.
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Frontal
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Somatic motor cortex
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Frontal
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Motor speech area
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Frontal
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Premotor area
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Occipital
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Visual area.
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Temporal
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Language/speech comprehension area.
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Parietal
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Taste (gustatory) area.
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Frontal
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Seat of intelligence, abstract reasoning
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Thalamus
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A major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. Contains many specialized nuclei.
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Prefrontal area
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This brain area associates experiences necessary for the production of abstract ideas, judgment, and conscience.
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Primary motor cortex
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The axons from this area form the major pyramidal tracts.
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Hypothalamus
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This area is the main visceral control center of the body.
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Stage 4
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The stage when vital signs (blood pressure, heart rate, and body temperature) reach their lowest normal levels.
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REM
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Indicated by movement of the eyes under the lids; dreaming occurs.
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Stage 3
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Theta and delta waves begin to appear.
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Stage 1
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Very easy to awaken; EEG shows alpha waves; may even deny being asleep.
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Stage 2
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Typified by sleep spindles.
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REM
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Begins about 90 minutes after the onset of sleep.
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REM
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Necessary for emotional health; may be neural ʺdebugging.ʺ
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are involved in the emotional aspects of perception
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The nonspecific ascending pathways ________.
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hypothalamus
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The superchiasmatic nucleus is found in the ________.
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pons
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Nuclei of cranial nerves V, VI, and VII are found in the ________.
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cerebellar white matter
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The arbor vitae refers to ________.
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midbrain, medulla, and pons
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The brain stem consists of the ________.
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temporal lobe
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The primary auditory cortex is located in the ________.
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carry proprioceptive inputs to the cerebellum
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Spinocerebellar tracts ________.
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inside, white matter on the outside, and a ventral motor root
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The spinal cord has gray matter on the ________.
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arachnoid and pia
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The subarachnoid space lies between what two layers of meninges?
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medulla
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The vital centers for the control of heart rate, respiration, and blood pressure are located in the ________.
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the dorsal root ganglia of the spinal cord
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Cell bodies of the sensory neurons of the spinal nerves are located in ________.
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longitudinal fissure
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The fissure separating the cerebral hemispheres is the ________.
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emotional impact
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The limbic association area of the multimodal association areas provides our ________.
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sulcus
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A shallow groove on the surface of the cortex is called a ________.
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is formed mostly by the choroid plexuses
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The cerebrospinal fluid ________.
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the spinal cord may be affected
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If the posterior portion of the neural tube failed to develop properly ________.
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frontal from parietal
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The central sulcus separates which lobes?
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lateral spinothalamic
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Neural tracts that convey life-saving information to the brain concerning burning pain would be ________.
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fiber tracts
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Which of these would you not find in the cerebral cortex?
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is the thermostat of the body since it regulates temperature
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The hypothalamus ________.
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myelinated and unmyelinated nerve fibers
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The white matter of the spinal cord contains ________.
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rubrospinal
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A lateral tract in the spinal cord would be ________.
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paraplegia
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An individual accidentally transected the spinal cord between T1 and L1. This would result in ________.
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upper motor neurons
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Spastic paralysis suggests involvement of the ________.
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gyri
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The frontal lobe is separated from the temporal lobe by the ________.
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structurally distinct cortical areas
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Brodmannʹs numbering refers to ________.
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pyramidal and corticospinal
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Two terms for the massive motor tracts serving voluntary movement are ________.
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visual association area
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An individual who could trace a picture of a bicycle with his or her finger but could not recognize it as a bicycle is most likely to have sustained damage to the ________.
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is considered a motor speech area
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Brocaʹs area ________.
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corresponding areas of the two hemispheres
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The function of commissures is to connect ________.
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metabolic waste such as urea
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The blood-brain barrier is effective against ________.
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substantia nigra
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Which of the following is not part of the basal nuclei?
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caudate nucleus
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All of the following are structures of the limbic system except the ________.
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third ventricle
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Which of the following is not a midbrain structure?
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consolidation
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The process of linking new facts with old facts already stored in the memory bank is called ________.
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indicates a normal frequency range of 1-30 Hz
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An electroencephalogram ________.
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reticular formation
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The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the ________.
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red blood cells
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Which of the following would you not find in normal cerebrospinal fluid?
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temporary skeletal muscle paralysis, except for the extrinsic eye muscles
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REM sleep is associated with ________.
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slurred speech
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Mr. Hom was injured in an accident that completely severed his spinal cord at the level of T12. You would expect to find all of the following except ________.
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loss of proprioception
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Injury to the hypothalamus may result in all of the following except ________.
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contains the anterior and posterior spinocerebellar tracts
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White matter of the spinal cord ________.
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Despite some neuronal loss, changing synaptic connections support additional learning throughout life.
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Which statement about aging is most accurate?
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motor-anterior
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Which association is most accurate?
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reflects the number of neurons firing synchronously
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Brain wave amplitude ________.
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mammillary body
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Declarative memory is not stored in the ________.
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has symptoms that are the opposite of Parkinsonʹs disease
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Huntingtonʹs disease ________.
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skill learning
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The corpus striatum plays a special role in ________.
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is facilitated by the release of norepinephrine
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Storing information in long-term memory ________.
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vestibular nuclei
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Important nuclei of the indirect (multineural) system that receive impulses from the equilibrium apparatus of the inner ear and help to maintain balance by varying muscle tone of postural muscles are the ________.
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medulla
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Which of the following structures is probably not directly involved in memory?
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visceral sensory area
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The area of the cortex that is responsible for sensations of the full bladder and the feeling that your lungs will burst when you hold your breath too long is the ________.
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Coma is defined as total unresponsiveness to stimuli for a long period of time.
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Which statement about coma is true?
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Parkinsonʹs disease
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Tremor at rest, shuffling gait, stooped posture, and expressionless face are characteristics of ________.
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concussion
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Which is the mildest consequence of traumatic brain injury?
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is the ability to learn specific information
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Declarative memory ________.
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red nuclei
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Which of the following is/are involved with motor activity (either initiation or coordination)?
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Stage 4 sleep increases in old age.
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Which statement is not true?
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Epilepsy is often genetically induced but also frequently caused by head trauma, stroke, infection, and tumor.
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Which statement about epilepsy is most accurate?
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cerebral cortex
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White matter (myelinated fibers) is found in all of the following locations, with the exception of the ________.
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thalamus
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Second-order neurons of both the specific and nonspecific ascending pathways terminate in the ________.
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premotor cortex
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Loss of ability to perform skilled motor activities such as piano playing, with no paralysis or weakness in specific muscles, might suggest damage to the ________.
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Theta
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________ waves are not normal for adults but are common for children.
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central canal
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The fourth ventricle is continuous with the ________ of the spinal cord.
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corpus callosum
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The large tract that connects the right and left sides of the brain is called the ________.
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pons
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The ________ is a conduction pathway between higher and lower brain centers and houses nuclei for cranial nerves V-VII.
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pituitary gland
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The infundibulum connects the hypothalamus to the ________.
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arachnoid villi
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The ________ are valvelike and protrude externally through the dura mater to absorb cerebrospinal fluid into venous blood.
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dorsal
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Sensory neurons enter the spinal cord via the ________ horn.
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Skill
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________ memory requires practice, and is remembered by doing.
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diencephalon
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The ________ includes the thalamus, hypothalamus, and epithalamus.
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pyramids
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The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the ________.
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substantia nigra
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The largest nuclear mass in the midbrain is the ________.
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theta; delta
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In stage 3 sleep, ________ and ________ waves appear.
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amygdala
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The ________ is the main switch station for memory; if the right and left areas are damaged, the past is lost.
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Circadian
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________ rhythm is a 24-hour cycle of sleep and wakefulness.
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Sleep apnea
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________ is a temporary cessation of breathing during sleep found most commonly in the elderly.
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Hydrocephaly refers to a blockage of the normal circulation and drainage of cerebrospinal fluid (CSF) throughout the meninges and ventricles. If CSF is allowed to accumulate, excessive pressure could be exerted on the brain. In newborns, the fontanels allow the skull to enlarge, while in adults, the cranial bones are fused and no expansion is possible.
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Describe the cause of hydrocephalus and explain why this condition is much more serious in adults than in newborns.
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The blood-brain barrier is absent around the vomiting center of the brain stem, so that it can monitor the blood for poisonous substances. It is also absent around the hypothalamus, so that it can monitor the chemical composition of the blood and adjust water balance and other factors.
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Which brain areas lack a blood-brain barrier, and what purpose does this absence serve?
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1. ANS. 2. Center of emotional responses. 3. Body temperature regulation. 4. Regulation of food intake. 5. Regulation of water balance and thirst. 6. Regulation of the sleep-wake cycles. 7. Control of the endocrine functions.
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What seven areas of the body is the hypothalamus in control of?
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This is an area of the brain that is in control of our emotions, such as fear, anger, love, hate, etc. It can be acted upon by smell (the smell of a gas, perfume, dead animals), memories, taste, sight, and self-will.
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What is the limbic system?
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