Autonomous System

Autonomous System - Guided Reading - The Autonomic Nervous...

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Guided Reading - The Autonomic Nervous System I 1. Damage to the autonomic motor nerves would probably result in A. no change in muscle tone. B. muscle atrophy. C. flaccid paralysis. D. increased skeletal muscle contraction. 2. Damage to the thoracic and lumbar regions of the spinal cord would cause heart rate to be chronically increased compared to normal. True False 3. Damage to the paravertebral ganglia would limit the body's ability to respond to stress. True False 4. Which of the following is a catecholamine? A. norepinephrine B. acetylcholine C. nitric oxide D. All of the choices are correct. 5. _____________ is released by most postganglionic sympathetic nerves. A. Acetylcholine B. Epinephrine C. Norepinephrine D. Dopamine 6. Damage to the _____________ nerve would inhibit salivary production. A. abducens B. vagus C. hypoglossal D. facial 7. Nicotinic agonists would bind cholinergic receptors on preganglionic autonomic neurons. True False 8. The _____________ has both a 1 and b 1 receptors and responds to sympathoadrenal stimulation with glycogenolysis and secretion of glucose. A. liver B. pancreas C. adrenal cortex D. None of the choices are correct. 9. Heart rate is increased in response to sympathetic stimulation. True False 10. The sympathetic chain ganglia are found laterally on both sides of the spinal cord. True False
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11. The sympathetic division of the autonomic nervous system has limited range because only a few postganglionic neurons are stimulated. True False 12. Epinephrine is a A. sympathetic neurotransmitter. B. parasympathetic neurotransmitter. C. sympathomimetic hormone. D. All of the choices are correct. 13. Fibers that secrete acetylcholine are called cholinergic fibers. True False 14. From where do parasympathetic preganglionic neurons originate? A. brainstem B. thoracic and lumbar region of the spinal cord C. sacral region of the spinal cord D. brainstem and sacral region of the spinal cord 15. The second messenger mediating the effects of norepinephrine on the heart would be A. increased intracellular Ca 2+ . B. decreased Ca 2+ . C. increased cyclic AMP. D. decreased intracellular cyclic AMP. 16. Blood flow to skeletal muscle would be _____________ in response to muscarinic antagonists. A. increased B. decreased C. not changed 17. The parasympathetic division of the autonomic nervous system A. has long postganglionic neurons. B. has a single neuron arising from the spinal cord.
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This note was uploaded on 03/20/2012 for the course MCB 32 taught by Professor Smiley during the Fall '11 term at Cal Poly.

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Autonomous System - Guided Reading - The Autonomic Nervous...

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