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White matter (myelinated fibers) is found in all of the following locations except the ________.
a) outer portion of spinal cord
b) corpus callosum
c) cerebral cortex
d) corticospinal tracts
Damage to the premotor cortex results in loss of motor skills programmed in that area but movement is still possible (True/False).
Damage to the visual association area results in blindness. (True/False)
Damage to the primary motor cortex results only in the loss of voluntary muscle control (True/False)
Damage to the primary auditory cortex results in the inability to interpret pitch, loudness, and location (True/False)
Injury to the hypothalamus may result in all of the following EXCEPT ________.
a) pathologic sleep
b) loss of body temperature control
c) production of excessive quantities of urine
d) loss of proprioception
The brain area that regulates activities that control the state of wakefulness or alertness of the cerebral cortex is the ________.
The vital centers for the control of heart rate, respiration, and blood pressure are located in the ________.
What cells line the ventricles of the brain?
a) ependymal cells
b) epithelial cells
A shallow groove on the surface of the cortex is called a ________.
Two terms for the massive motor tracts serving voluntary movement are ________ & ________
pyramidal & corticospinal
The brain stem consists of the ________.
a) midbrain only
b) midbrain, medulla, and pons
c) pons, medulla, cerebellum, and midbrain
d) cerebrum, pons, midbrain, and medulla
Which of the following generalizations DOES NOT describe the cerebral cortex?
a) Each hemisphere is chiefly concerned with sensory and motor functions of the contralateral side of the body.
b) No functional area of the cortex works alone.
c) The cerebral cortex contains three kinds of functional areas.
d) The hemispheres are exactly equal in function.
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 ________.
visceral sensory area
Cell bodies of the somatic motor neurons of the spinal nerves are located in the ventral horn of the spinal cord. (TRUE/FALSE)
Most of the ascending & Descending pathways to and from the brain cross over from one side of the body to the other (True/False)
Second Order Neurons of both the specific & nonspecific ascending pathways terminate in the ___________.
The blood brain barrier is effective against ________________
metabolic wastes such as urea.
Which of these would you not find in the cerebral cortex?
a) unmyelinated axons
b) fiber tracts
d) cell bodies
Which of the following is not a role of the basal nuclei?
a) regulating attention and cognition
b) inhibiting unnecessary or antagonistic movements
c) initiating protective reflex actions
d) controlling starting and stopping movements
Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality?
a) limbic association area
b) posterior association area
c) prefrontal cortex
d) combined primary somatosensory cortex and somatosensory association cortex
Projection fibers in the brain mainly connect the right and left hemispheres (True/False)
False; commissural fibers do
Which of the following is not a function of the hypothalamus?
a) Regulation of food intake
b) Secretion of the hormone melatonin
c) Regulation of body temperature
d) Emotional responses
Which part of the brain stem houses the reflex centers for respiration and cardiovascular functioning?
a) reticular formation
b) medulla oblongata
Which part of the brain is the "executive suite" for all brain activity?
Which type of white matter fiber tract connects the two cerebral hemispheres?
Which of the following best describes the hypothalamus?
a) gateway to the cerebellum
b) visceral control center of the body
c) entrance to the spinal cord
d) motor command center
Which of the following is not one of the three types of functional areas within the cerebral cortex?
a) Sensory areas
b) Motor areas
c) Association areas
d) Brodmann areas
Which region of the brain coordinates subconscious activities and provides for the muscle coordination and agility needed for our daily living?
Which of the following meninges is composed of delicate connective tissue and is richly invested with tiny blood vessels?
a) Dura mater
b) Arachnoid mater
c) Pia mater
d) Casa mater
Sorting of sensory information and relaying it to the appropriate cerebral sensory area occurs in the hypothalamus. (True/False)
The limbic system acts as our emotional, or affective, brain (True/False)
A disturbance of posture, muscle tremors at rest, and uncontrolled muscle contraction are all symptoms of damage to the basal nuclei (True/False)
Which of the following is not a function of the CSF?
a) reduction of brain weight
b) nourishment of the brain
c) protection from blows
d) initiation of some nerve impulses
Which of the following would you not find in normal cerebrospinal fluid?
d) red blood cells
Cerebrospinal fluid (CSF) circulates within the ventricles of the brain and in the subarachnoid space outside the brain (True/False)
The white matter of the spinal cord contains ________.
a) myelinated nerve fibers only
b) soma that have both myelinated and unmyelinated nerve fibers
c) unmyelinated nerve fibers only
d) myelinated and unmyelinated nerve fibers
Sensory neurons enter the spinal cord via the ________ horn.
The adult spinal cord ends between L1 and L2. (True/False)
Spinocerebellar tracts ________.
a) terminate in the spinal cord
b) are found in the dorsal columns of the spinal cord
c) give rise to conscious experience of perception
d) carry proprioceptive inputs to the cerebellum
Cell bodies of the sensory neurons of the spinal nerves are located in ________.
a) the dorsal root ganglia of the spinal cord
b) the thalamus
c) the ventral root ganglia of the spinal cord
d) sympathetic ganglia
Cell bodies of the somatic motor neurons of the spinal nerves are located in the ventral horn of the spinal cord (True/False)
After Joe has a stroke, his doctor asks Joe to touch his right pointer finger to his chin—but Joe is unable to move his right hand. However, when the doctor stimulates Joe's pointer finger with a painful stimulus, Joe's muscles quickly move his hand away from the stimulus. The doctor concludes that ______.
a)the stroke caused damage to Joe's frontal eye field which interfered with his effort to touch his chin
b)the stroke caused damage to Joe's right primary motor cortex
c)the stroke caused damage to Joe's left premotor cortex
d)based on the doctor's observations, none of the listed answers are correct conclusions
A patient reports that she has become completely deaf—she can't hear anything. Thorough tests on her ears indicate that her ears have not been damaged. Additional tests reveal that her deafness has been caused by damage to her ______.
a)primary somatosensory cortex
b)auditory association area
C)somatosensory association cortex
d) None of the listed responses is correct.
At age 79, Mrs. X is diagnosed with a disorder that severely impairs her logical judgment. Medical imaging techniques show that this has been most likely caused by brain damage in a ______.
Which of the following hypothalamic control centers would you predict is the LEAST important for survival?
B)autonomic control center
C)temperature control center
Specific motor and sensory functions are localized in specific areas called domains, whereas memory and language have overlapping domains.
The RAS is comprised of specific pathways primarily in the limbic system.
The first obvious sign that the nervous system is forming in the embryo is the thickening of the surface ectoderm to form the neural plate.
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