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52. The autonomic nervous system carries out many somatic reflexes that are crucial to homeostasis. True False 53. After a stroke, a patient complains about lack of sensitivity in her right hand. The stroke most likely affected which part of the brain? A. Postcentral gyrus in the left parietal lobe B. Postcentral gyrus in the right temporal lobe C. Postcentral gyrus in the left frontal lobe D. Precentral gyrus in the left frontal lobe E. Precentral gyrus in the right frontal lobe 54. The binding of to a nicotinic receptor of a muscle fiber will it. A. monoamine oxidase; inhibit B. acetylcholinesterase; excite C. acetylcholine; excite D. acetylcholine; inhibit E. norepinephrine; excite 55. Many hours after a meal, alpha (?) cells in the pancreatic islets secrete , which blood glucose. A. glucocorticoids; raises B. glucagon; lowers C. insulin; lowers D. insulin; raises E. glucagon; raises 56. During the absolute refractory period which of the following is true? A. It is possible to trigger a new action potential, but only with an unusually strong stimulus. B. The neuron fires at its maximum voltage if a stimulus depolarizes the neuron to threshold. C. No stimulus of any strength will trigger a new action potential. D. If a neuron reaches threshold, the action potential goes to completion. E. The signal grows weaker with distance. 57. Nonfluent aphasia, due to a lesion in the , results in slow speech, difficulty in choosing words, or use of words that only approximate the correct word. A. primary motor area B. Broca area C. Wernicke area D. cerebral lateralization E. primary auditory area 58. Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH? A. GHRH B. CRH C. GHIH D. APRH E. TRH 59. Propranolol, a beta-blocker, is typically used to _____. A. produce vasoconstriction of the coronary arteries B. produce bronchodilation C. decrease heart rate D. increase heart rate E. produce vasodilation of blood vessels of skeletal muscle

52. The autonomic nervous system carries out many somatic reflexes that are crucial to homeostasis.
True False
53. After a stroke, a patient complains about lack of sensitivity in her right hand. The stroke most likely affected which part of the brain?
A. Postcentral gyrus in the left parietal lobe
B. Postcentral gyrus in the right temporal lobe
C. Postcentral gyrus in the left frontal lobe
D. Precentral gyrus in the left frontal lobe
E. Precentral gyrus in the right frontal lobe
54. The binding of __________ to a nicotinic receptor of a muscle fiber will __________ it.
A. monoamine oxidase; inhibit
B. acetylcholinesterase; excite
C. acetylcholine; excite
D. acetylcholine; inhibit
E. norepinephrine; excite
55. Many hours after a meal, alpha (?) cells in the pancreatic islets secrete __________, which __________ blood glucose.
A. glucocorticoids; raises
B. glucagon; lowers
C. insulin; lowers
D. insulin; raises
E. glucagon; raises
56. During the absolute refractory period which of the following is true?
A. It is possible to trigger a new action potential, but only with an unusually strong stimulus.
B. The neuron fires at its maximum voltage if a stimulus depolarizes the neuron to threshold.
C. No stimulus of any strength will trigger a new action potential.
D. If a neuron reaches threshold, the action potential goes to completion.
E. The signal grows weaker with distance.
57. Nonfluent aphasia, due to a lesion in the __________, results in slow speech, difficulty in choosing words, or use of words that only approximate the correct word.
A. primary motor area
B. Broca area
C. Wernicke area
D. cerebral lateralization
E. primary auditory area
58. Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH?
A. GHRH
B. CRH
C. GHIH
D. APRH
E. TRH
59. Propranolol, a beta-blocker, is typically used to _______________.
A. produce vasoconstriction of the coronary arteries
B. produce bronchodilation
C. decrease heart rate
D. increase heart rate
E. produce vasodilation of blood vessels of skeletal muscle

$52. The autonomic nervous system carries out many somatic reflexes that are crucial to homeostasis. True False 53. After a stroke, a patient complains about lack of sensitivity in her right hand. The stroke most likely affected which part of the brain? A. Postcentral gyrus in the left parietal lobe B. Postcentral gyrus in the right temporal lobe C. Postcentral gyrus in the left frontal lobe D. Precentral gyrus in the left frontal lobe E. Precentral gyrus in the right frontal lobe 54. The binding of to a nicotinic receptor of a muscle fiber will it. A. monoamine oxidase; inhibit B. acetylcholinesterase; excite C. acetylcholine; excite D. acetylcholine; inhibit E. norepinephrine; excite 55. Many hours after a meal, alpha (?) cells in the pancreatic islets secrete , which blood glucose. A. glucocorticoids; raises B. glucagon; lowers C. insulin; lowers D. insulin; raises E. glucagon; raises 56. During the absolute refractory period which of the following is true? A. It is possible to trigger a new action potential, but only with an unusually strong stimulus. B. The neuron fires at its maximum voltage if a stimulus depolarizes the neuron to threshold. C. No stimulus of any strength will trigger a new action potential. D. If a neuron reaches threshold, the action potential goes to completion. E. The signal grows weaker with distance. 57. Nonfluent aphasia, due to a lesion in the , results in slow speech, difficulty in choosing words, or use of words that only approximate the correct word. A. primary motor area B. Broca area C. Wernicke area D. cerebral lateralization E. primary auditory area 58. Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH? A. GHRH B. CRH C. GHIH D. APRH E. TRH 59. Propranolol, a beta-blocker, is typically used to . A. produce vasoconstriction of the coronary arteries B. produce bronchodilation C. decrease heart rate D. increase heart rate E. produce vasodilation of blood vessels of skeletal muscle$

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