Chapter 12: The Central Nervous System – Flashcards
Unlock all answers in this set
Unlock answersquestion
The nonspecific ascending pathways ______.
answer
are involved in the emotional aspects of perception
question
The suprchiasmatic nucleus is found in the _______.
answer
hypothalamus
question
Nuclei of cranial nerves V, VI, and VII are found in the _____.
answer
pons
question
The arbor vitae refers to ____.
answer
cerebellar white matter
question
The brain stem consists of the _____.
answer
midbrain, medulla, annd pons
question
The primary auditory cortes is located in the _____.
answer
temporal lobe
question
Spinocerebellar tracts _____.
answer
carry proprioceptive inputs to the cerebellum
question
The spinal cord has gray matter on the ________.
answer
inside, white matter on the outside and ventral motor root
question
The subarachnoid space lies between what two layers of meninges?
answer
arachnoid and pia
question
The vital centers for the control of heart rate, respiration and blood pressure are located in the _____.
answer
medulla
question
Cell bodies of the sensory neurons of the spinal nerves are located in ____.
answer
the dorsal root gangliaof the spinal cord
question
The fissure separating the cerebral meispheres is the _______.
answer
longitudinal fissure
question
The limbic association area of the multimodal association areas provides our ______.
answer
emotional impact
question
A shallow groove on the surface of the cortex is called a ______.
answer
sulcus
question
The cerebrospinal fluid _______.
answer
is formed mostly by the choroid plexuses
question
If the posterior portion of the neural tube failed to develop properly _____.
answer
the spinal cord may be affected
question
The central sulcus separates which lobes?
answer
frontal from parietal
question
Neural tracts that convey life-saving information to the brain concerning burning pain would be ______.
answer
lateral spinothalmic
question
Which of thes would you not find in the cerebral cortex?
answer
fiber tracts
question
The hypothalamus
answer
is the thermostat of the body since it regulates temperature
question
The white matter of the spinal cord contains ______.
answer
myelinated and unmyelinated nerve fibers
question
A lateral tract in the spinal cord would be ______.
answer
rubrospinal
question
An individual accidentally transected the spinal cord between T1 and L1. This would result in ______.
answer
paraplegia
question
Spastic paralysis suggests involvement of the _______.
answer
upper motor neurons
question
Ridges of tissue on the surface of the cerebral hemispheres are called _____?
answer
gyri
question
The frontal lobe is separated from the temporal lobe by the ______.
answer
lateral sulcus
question
Brodmann's numbering refers to _____.
answer
structurally distinct cortical areas
question
Two terms for the massive motor tracts serving voluntary movement are _______.
answer
pyramidal and corticospinal
question
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 ______.
answer
visual association area
question
Broca's area ______.
answer
is considered a motor speech area
question
The function of commissures is to connect _______.
answer
corresponding areas of the two hemispheres
question
The blood-brain barrier is effective against ______.
answer
metabolic waste such as urea
question
Which of the following is not part of the basal nuclei?
answer
substantia nigra
question
All of the following are structures of the limbic system except the ______.
answer
caudate nucleus
question
Which of the following is not a midbrain structure?
answer
third ventricle
question
The process of linking new facts with old facts already stored in the memory bank is called ______.
answer
consolidation
question
An electroencephalogram _______.
answer
indicates a normal frequency range of 1-30 Hz
question
The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the ______.
answer
reticular formation
question
Which of the following would you not find in normal cerebrospinal fluid?
answer
red blood cells
question
REM sleep is associated with _____.
answer
temporary skeletal muscle paralysis, except for the extrinsic eye muscles
question
Mr. Hom was injured in an accident that completely severed his spinal cord at the level of T12. You would expecto to find all of the following except ________.
answer
slurred speech
question
Injury to the hypothalamus may result in all of the following except ______.
answer
loss of proprioception
question
White matter of the spinal cord _____.
answer
contains the anterior and posterior spinocerebellar tracts
question
Which statement about aging is most correct?
answer
Despite some neuronal loss, changing synaptic connections support additional learning throughout life.
question
Which association is most accurate?
answer
motor- anterior
question
Brain wave amplitude _____.
answer
reflects the number of neurons firing synchronously
question
Declarative memory is not stored in the _____.
answer
mammillary body
question
Huntington's disease ______.
answer
has symptoms that are the opposite of Parkinson's disease
question
The corpus striatum plays a special role in _____.
answer
skill learning
question
Storing information in long - term memory _______.
answer
is facilitated by the release of norepinepherine
question
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 _____.
answer
vestibular nuclei
question
Which of the following structures is probably not directly involved with memory?
answer
medulla
question
The area of the cortex that is responsible for sensations of the full bladder and the feeling that your lunds will burst when you hold your breath too long is the _____.
answer
visceral sensory area
question
Which statement about coma is true?
answer
Coma is defined as total unresponsiveness to stimuli for a long period of time.
question
Tremor at rest, shuffling gait, stooped posture, and expressionless face are characteristics of _____.
answer
Parkinson's disease
question
Which is the mildest consequence of traumatic brain injury?
answer
concussion
question
Declarative memory _____.
answer
is the ability to learn specific information
question
Which of the following is involved with motor activity (either initiation or coordination)?
answer
red nuclei
question
Which statement is not true?
answer
Stage 4 sleep increases in old age
question
Which statement about epilepsy is most accurate?
answer
Epilepsy is often genetically induced but also frequently caused by head trauma, stroke, infection, and turmor.
question
White matter(myelinated fibers) is found in all of the following locations, with the exception of the _____.
answer
cerebral cortex
question
Second-order neurons of both the specific and nonspecific ascending pathways terminate in the _____.
answer
thalamus
question
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 ______.
answer
premotor cortex
question
______ waves are not normal for adults but are common for children.
answer
Theta
question
The fourth ventricle is continuous with the ______ of the spinal cord.
answer
central canal
question
The large tract that connects the right and left sides of the brain is called the _______.
answer
corpus callosum
question
The ____ is a conduction pathway between higher and lower brain centers and houses nuclei for cranial nerves V- VII.
answer
pons
question
The infundibulum connects the hypothalamus to the ______.
answer
pituitary gland
question
The ______ are valvelike and protrude externally through the dura mater to absorb cerebrospinal fluid into venous blood.
answer
arachnoid villi
question
Sensory neurons enter the spinal cord via the _____ horn.
answer
dorsal
question
______ memory requires practice, and is remembered by doing.
answer
skill
question
The ____ includes the thalamus, hypothalamus, and epithalamus.
answer
diencephalon
question
The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the _____ .
answer
pyramids
question
The largest nuclear mass in the midbrain is the ______.
answer
substantia nigra
question
In stage 3 sleep, _____ and _____ waves appear.
answer
theta; delta
question
The _____ is the main switch station for memory; if the right and left areas are damaged, the past is lost.
answer
amygdala
question
______ rhytm is a 24 hour cycle of sleep and wakefulness.
answer
Circadian
question
______ is a temporary cessation of breathing during sleep found most comonly in the elderly.
answer
Sleep apnea