PHYS 1501 Chapter 11 Review Questions

PHYS 1501 Chapter - CHAPTER 11 Autonomic Nervous System Multiple-Choice Choose the one alternative that best completes the statement or answers the

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CHAPTER 11 Autonomic Nervous System Multiple-Choice Choose the one alternative that best completes the statement or answers the question . 1. Which of the following statements about the autonomic nervous system is NOT true? A) it regulates the size of the pupils B) all of the fibers are afferent fibers C) it consists of two subdivisions D) it regulates visceral activities D) it is an involuntary system Answer: B Reference: Comparison of Somatic and Autonomic Nervous Systems Level of Difficulty: Medium 2. The first motor neuron in an autonomic pathway is called a A) preganglionic neuron. B) postganglionic neuron. C)autonomic ganglion. D) sympathetic neuron. E) parasympathetic neuron. Answer: A Reference: Comparison of Somatic and Autonomic Nervous Systems Level of Difficulty: Medium 3. The part of the nervous system that regulates smooth muscle is the A) somatic nervous system. B) limbic system. C) autonomic nervous system. D) Both A and B. E) Both B and C. Answer: C Reference: Comparison of Somatic and Autonomic Nervous Systems Level of Difficulty: Medium 4. The sympathetic division of the ANS is also referred to as the A) autonomic division. B) craniosacral division. C) thoracolumbar division. D) somatic division. E) ganglionic division. Answer: C Reference: Structure of the Autonomic Nervous System Level of Difficulty: Medium 5. All of the following are autonomic ganglia EXCEPT A) sympathetic trunk ganglia. B) prevertebral ganglia. C) terminal ganglia. D) dorsal root ganglia. E) All of the above are autonomic ganglia. Answer: D Reference: Structure of the Autonomic Nervous System Level of Difficulty: Medium
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6. Which of the following statements does NOT apply to the autonomic nervous system? A) Autonomic pathways consist of sets of two motor neurons. B) ANS neurons always release acetylcholine as their neurotransmitter. C) The output part of the ANS has two principal branches. D) The postganglionic neuron lies entirely in the peripheral nervous system. E) All of the above are correct statements. Answer: B Reference: Comparison of Somatic and Autonomic Nervous Systems Level of Difficulty: Medium 7. Sympathetic fibers A) are unmyelinated fibers. B) originate in the brain. C) originate in the spinal cord. D) tend to be long at the preganglionic site. E) synapse in the terminal ganglion. Answer: C Reference: Structure of the Autonomic Nervous System Level of Difficulty: Medium 8. All of the following are involved in the control of the autonomic nervous system EXCEPT A) the cerebral cortex. B) the cerebellum. C) the medulla oblongata. D) Brain stem E) the hypothalamus. Answer: B Reference: Introduction Level of Difficulty: Medium 9. All of the following are visceral effectors EXCEPT A) cardiac muscle. B) smooth muscle. C) skeletal muscle. D) glandular epithelium. E) all of the above are visceral effectors.
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This note was uploaded on 11/19/2011 for the course PHYS 1501 taught by Professor Mercynavis during the Summer '10 term at Life Chiropractic College West.

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PHYS 1501 Chapter - CHAPTER 11 Autonomic Nervous System Multiple-Choice Choose the one alternative that best completes the statement or answers the

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