Chapter 16 The Autonomic Ne

Chapter 16 The Autonomic Ne - Chapter 16 The Autonomic...

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Chapter 16 The Autonomic Nervous System and Visceral Reflexes Student: ___________________________________________________________________________ 1. The cardiac, pulmonary, and esophageal plexuses are formed by fibers of the ____ nerve. A. vagus B. glossopharyngeal C. cardiac sympathetic D. phrenic E. hypoglossal 2. All of the following are parasympathetic effects except A. decreased heart rate. B. increased stomach secretion. C. dilation of the bronchioles. D. constriction of the pupils. E. contraction of the bladder. 3. Most parasympathetic fibers reach their target organs by way of A. the accessory nerve. B. the splanchnic nerve. C. the trigeminal nerve. D. the vagus nerve. E. the oculomotor nerve. 4. Nicotinic receptors bind A. epinephrine. B. norepinephrine. C. dopamine. D. acetylcholinesterase. E. acetylcholine.
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5. Sympathetic nerve fibers that do not synapse in the paravertebral ganglia synapse instead in A. the collateral ganglia. B. the intramural ganglia. C. the sympathetic chain ganglia. D. the spinal cord. E. their target organs. 6. The vagus nerve forms all of the following except A. the cardiac plexus. B. the pulmonary plexus. C. the esophageal plexus. D. the hypogastric plexus. E. anterior and posterior vagal trunks. 7. One division of the autonomic nervous system stimulates your salivary glands to secrete a watery solution of enzymes, and the other division stimulates them to secrete mucus. Together, these secretions constitute the saliva. This is an example of A. a dual effect. B. a sympathetic effect. C. an antagonistic effect. D. a cooperative effect. E. a biofeedback effect. 8. The adrenergic fibers of the autonomic nervous system are A. sympathetic preganglionic fibers. B. sympathetic postganglionic fibers. C. somatic preganglionic fibers. D. parasympathetic preganglionic fibers. E. parasympathetic postganglionic fibers. 9. The _____ system is characterized by long preganglionic and short postganglionic fibers. A. thoracolumbar B. craniosacral C. somatosensory D. somatic motor E. sympathetic
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10. Which statement comparing the autonomic and somatic nervous systems is NOT true? A. Both the autonomic and somatic divisions carry motor fibers. B. The somatic motor division is strictly voluntary and the autonomic division is completely involuntary. C. The primary effectors of the ANS are viscera of the abdominal and thoracic cavities in contrast to the somatic motor division which targets skeletal muscles. D. The somatic motor division requires one neuron to reach an effector in contrast to the ANS which requires two neurons to cause an effect. E. Both the somatic motor division and the ANS are categorized as part of the peripheral nervous system. 11. The sympathetic nervous system reduces blood flow to
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Chapter 16 The Autonomic Ne - Chapter 16 The Autonomic...

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