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Anatomy and Physiology Practice Test: The Autonomic Nervous System
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Anatomy and Physiology Practice Test: The Autonomic Nervous System
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25 Questions

1. Cranial nerves III, VII, and IX supply the entire parasympathetic innervation of the head; however, only the preganglionic fibers lie within these three pairs of cranial nerves.
2. Splanchnic nerves are mixed motor and sensory nerves.
3. Preparing the body for the ʺfight-or-flightʺ response is the role of the ________.
4. Emotions influence autonomic reactions primarily through integration in the ________.
5. Which of the following is not a result of parasympathetic stimulation?
6. The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected.
7. Which sympathetic fibers form the splanchnic nerve?
8. Which of these effectors is not directly controlled by the autonomic nervous system?
9. Thermoregulatory responses to increased heat are mediated by the sympathetic nervous division.
10. Once a sympathetic preganglionic axon reaches a trunk ganglion, it can do all but which one of the following?
11. Splanchnic nerves pass through the abdominal aortic plexus.
12. The sympathetic chain is composed of collateral ganglia.
13. β-adrenergic receptors are the only receptors found on the heart.
14. Autonomic reflex centers occur in the spinal cord, medulla, and midbrain.
15. Control of temperature, endocrine activity, and thirst are functions associated with the ________.
16. Erection of the penis or clitoris ________.
17. The somatic and autonomic nervous systems differ in all of the following except ________.
18. Where would you not find an autonomic ganglion?
19. Because parasympathetic fibers never run in spinal nerves, rami communicantes are associated only with the sympathetic division.
20. Which is a uniquely sympathetic function?
21. Acetylcholine is the substance released by the axonal endings of the somatic efferent fibers and by the parasympathetic nerve fiber endings.
22. Autonomic ganglia are motor ganglia only.
23. Sympathetic responses generally are widespread because ________.
24. Because the ANS is a visceral motor system, afferent pathways are of no importance and actually are rarely found.
25. Parasympathetic functions include ________.

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