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Physiology Practice Test: The Nervous System - Autonomic and Motor Systems
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Physiology Practice Test: The Nervous System - Autonomic and Motor Systems
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25 Questions

1. Which of the following contributes to the ability of the sympathetic nervous system to produce widespread responses within the body?
2. The opening of a cation channel that allows both Na+ and K+ to move through will cause the membrane to ________ because of the ________.
3. Binding of acetylcholine to ________ receptors causes a ________ by opening channels that permit both sodium and potassium to permeate the membrane.
4. Which of the following physiological responses are associated with an elevation in parasympathetic nervous system activity?
5. Compared to norepinephrine, epinephrine has a greater affinity for what type of receptor?
6. What type of channels that are present within the varicosities of autonomic neurons are absent from the axon terminal of other neurons?
7. Which of the regions of the brain listed below is NOT involved in the control of the autonomic nervous system?
8. What area of the brain initiates the fight-or-flight response by producing widespread activation of the sympathetic nervous system?
9. Alpha adrenergic receptors have a greater affinity for norepinephrine than for epinephrine.
10. Within the autonomic ganglia, what are the cells that modulate the flow of information to the target organ called?
11. Which of the following endocrine glands is innervated by sympathetic preganglionic neurons?
12. Which class of autonomic nervous system receptors is ionotropic?
13. What cholinergic receptors are coupled to G proteins?
14. Where do the preganglionic neurons of the sympathetic nervous system emerge from the spinal cord?
15. Where in the central nervous system do the preganglionic neurons of the parasympathetic nervous system originate?
16. Activation of which class of adrenergic receptor decreases the cytosolic levels of cAMP?
17. What cells of the adrenal medulla release epinephrine?
18. The presence of ________ within varicosities mediate the release of neurotransmitter.
19. Where are most of the autonomic nervous system control centers located?
20. Mismatches between vestibular, visual, and proprioceptive sensory inputs activate the autonomic nervous system, leading to symptoms that are characteristic of ________.
21. Parasympathetic preganglionic neurons release the neurotransmitter ________; sympathetic preganglionic neurons release the neurotransmitter ________.
22. What type of receptor agonists are used to treat people suffering from asthma or nasal congestion?
23. What enzyme degrades the neurotransmitter released from varicosities of parasympathetic postganglionic neurons?
24. Atropine, first derived from the Atropa belladonna plant, is a nicotinic receptor antagonist.
25. Which of the following does NOT have nicotinic cholinergic receptors?

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