Test 2_2010 - PRINTABLE VERSION Test 2 You scored 80 out of...

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PRINTABLE VERSION Test 2 You scored 80 out of 100 Question 1 Your answer is CORRECT. Gray matter refers to regions of the central nervous system composed primarily of densely packed cell bodies, whereas white matter consists of bundles of myelinated neuronal fibers. a) True b) False Question 2 Your answer is CORRECT. Which of these does not contribute significantly to the protection of the brain? a) dura mater b) subarachnoid space c) cerebral space d) cranium e) cerebrospinal fluid [CSF] Question 3 Your answer is CORRECT. Cerebrospinal fluid: a) is formed by the choroid plexuses. b) is formed by the arachnoid villi. c) serves as part of the blood-brain barrier. d) both [a] and [c] above. e) both [b] and [c] above. Question 4 Your answer is CORRECT. Transport across the brain capillary walls is solely restricted via the physiological laws that govern diffusion. a) True b) False
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Question 5 Your answer is CORRECT. Which of the following statements concerning the spinal cord is incorrect? a) afferent fibers enter the spinal cord through the ventral root. b) the dorsal and ventral roots at each level of the spinal cord join to form a spinal nerve. c) the spinal cord is not as long as the vertebral column. d) the ventral horn contains cell bodies of the efferent motor neurons that supply skeletal muscles. e) the white matter of the spinal cord is organized into ascending and descending tracts. Question 6 Your answer is CORRECT. The brainstem consists of these structures. a) medulla oblongata, cerebellum, and pons b) pons, midbrain, and thalamus c) pons, midbrain, and cerebellum d) medulla oblongata, pons, and midbrain e) medulla oblongata, pons, and thalamus Question 7 Your answer is INCORRECT. The brain region[s] that is/are identifiable by its folds and grooves is the a) cerebellum. b) cerebrum. c) medulla oblongata. d) [a] and [b] e) [b] and [c] Question 8 Your answer is CORRECT. The hypothalamus: a) performs preliminary processing of all sensory input on its way to the cortex. b) inhibits muscle tone throughout the body. c) controls thirst, urine output, and food intake. d) plays a role in emotional and behavioral patterns.
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e) selects and maintains purposeful motor activity while suppressing useless or unwanted patterns of movement. Question 9 Your answer is CORRECT. The left cerebral hemisphere normally excels in all of the following except: a) language ability. b) logical and analytical tasks. c) math skills. d) musical ability. e) verbal tasks. Question 10 Your answer is INCORRECT. The primary motor cortex is located a) in the occipital love b) in the frontal lobe c) in the temporal lobe d) in the parietal lobe e) in the cerebellum Question 11 Your answer is CORRECT. The brain's interpretation of sensory stimuli is called
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Test 2_2010 - PRINTABLE VERSION Test 2 You scored 80 out of...

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