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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. A drug that might be used specifically to reduce heart rate in cardiac patients could be ________.
2. The parasympathetic ganglion that serves the eye is the ________.
3. Which of the following is not a result of parasympathetic stimulation?
4. The white rami communicantes ________.
5. The sympathetic chain is composed of collateral ganglia.
6. Preparing the body for the ʺfight-or-flightʺ response is the role of the ________.
7. Because many of the same cardiac cells are innervated by both parasympathetic and sympathetic fibers, the influence of the two divisions on the heart is synergistic.
8. Autonomic ganglia contain ________.
9. The smooth muscle of the digestive viscera is served largely by the ________.
10. Events recorded in a lie detector examination are controlled by the sympathetic division.
11. The somatic and autonomic nervous systems differ in all of the following except ________.
12. 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.
13. The parasympathetic fibers of the ________ nerves innervate smooth muscles of the eye that cause the lenses to bulge to accommodate close vision.
14. Thermoregulatory responses to increased heat are mediated by the sympathetic nervous division.
15. Parasympathetic functions include ________.
16. Most body organs are innervated by only the sympathetic division of the nervous system.
17. Which of these effectors is not directly controlled by the autonomic nervous system?
18. Because the ANS is a visceral motor system, afferent pathways are of no importance and actually are rarely found.
19. The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.
20. Autonomic reflex centers occur in the spinal cord, medulla, and midbrain.
21. The craniosacral division is another name for the parasympathetic division.
22. The ANS stimulates smooth and skeletal muscles and glands, whereas the somatic nervous system innervates cardiac muscles only.
23. Fibers that enter and leave the sympathetic chain without synapsing form structures called ________.
24. Norepinephrine-releasing fibers are called cholinergic fibers.
25. Visceral reflex arcs differ from somatic in that ________.

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