Exam 14: The Autonomic Nervous System

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Some sympathetic preganglionic fibers stimulate the adrenal medulla to release norepinephrine and epinephrine into the blood, producing a "surge of adrenaline."

(True/False)
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Preparing the body for the "fight-or-flight" response is the role of the __________.

(Multiple Choice)
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A mugger steals your wallet causing all of the following to happen EXCEPT __________.

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Sympathetic division stimulation causes _________ .

(Multiple Choice)
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The mushroom poison muscarine can bind to receptors on_________ .

(Multiple Choice)
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How is Raynaud's disease related to the ANS?

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An elderly patient in a nursing home has recurrent episodes of fainting when he stands. An alert nurse notes that this occurs only when his room is fairly warm; on cold mornings, he has no difficulty. What is the cause of the fainting, and how does it relate to the autonomic nervous system and to room temperature?

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Which of the following does NOT describe the ANS?

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Fibers that enter and leave the sympathetic trunks without synapsing form structures called_________ .

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Emotions influence autonomic reactions primarily through integration in the _________ .

(Multiple Choice)
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Rami communicantes are designated white or gray to indicate whether or not the fibers passing through them are myelinated.

(True/False)
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The vasomotor tone of blood vessels is mostly under sympathetic control.

(True/False)
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What studies have suggested that the ANS can also be subject to voluntary controls?

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Which of the following is mismatched?

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Which of the following is NOT true about hypertension?

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All visceral organs receive dual innervation from both the sympathetic and parasympathetic divisions of the ANS.

(True/False)
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Which of these effectors is NOT directly controlled by the autonomic nervous system?

(Multiple Choice)
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The adrenal medulla is considered by some to be a "misplaced" sympathetic ganglion since embryologically, they arise from the same tissue.

(True/False)
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All splanchnic nerves are sympathetic.

(True/False)
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Mark eats a very big meal in the evening. After the meal his wife would like him to help clean up, but Mark explains that he is "too tired" and promptly goes to sleep. What seems to be his problem?

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