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Which of the foll owing is mismatched?


A) promotes urination; sympathetic
B) bronchiole dilation in lungs; sympathetic
C) gallbladder contracts to expel bile; parasympathetic
D) penis ejaculation; sympathetic

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What studies have suggested that the ANS can also be subject to voluntary controls?

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Remembering a frightening event can make...

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Which of the following is not a plexus of the vagus (X) nerve?


A) pulmonary
B) cardiac
C) esophageal
D) inferior hypogastric

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

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True

Cranial nerves III (oculomotor), VII (facial), and IX (glossopharyngeal) supply the entire parasympathetic innervation of the head; however, only the preganglionic fibers lie within these three pairs of cranial nerves.

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Erection (vasodilation) of the penis or clitoris ________.


A) is primarily under sympathetic control
B) is the result of coordinated activation by both sympathetic and parasympathetic input
C) depends very little on autonomic activation
D) is primarily under parasympathetic control

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D

Drugs called beta-blockers ________.


A) increase a dangerously low heart rate
B) are potent antidepressants
C) have widespread sympathetic effects
D) decrease heart rate and blood pressure

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How is hypertension (high blood pressure) related to the ANS?

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The ANS is involved with nearly every pr...

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Which of these effectors is not directly controlled by the autonomic nervous system?


A) cardiac muscle
B) most glands
C) smooth muscle
D) skeletal muscle

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Which is a uniquely sympathetic function?


A) regulation of cardiac rate
B) regulation of respiratory rate
C) regulation of body temperature
D) regulation of pupil size

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Preparing the body for the "fight-or-flight" response is the role of the ________.


A) parasympathetic division
B) somatic nervous system
C) sympathetic division
D) cerebrum

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Cardiovascular effects of the sympathetic division include all of the following except ________.


A) weak dil ation of the blood vessels of skeletal muscles during exercise
B) dilation of the blood vessels serving the skin and digestive viscera
C) constriction of most blood vessels
D) increase of heart rate and force

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Baroreceptors in the carotid sinus monitor blood pressure. When the carotid sinus is stretched by blood pressure or manipulation, a feedback response through the vagus (X) nerve can be blocked by atropine. How would external stimulation of the carotid artery, such as carotid massage, affect the heart rate?

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External stimulation of the ca...

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


A) splanchnic nerves
B) gray rami communicantes
C) white rami communicantes
D) spinal nerves

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The sympathetic division innervates more organs than the parasympathetic division.

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The celiac ganglion is primarily associated with the sympathetic division.

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Sympathetic division stimulation causes ________.


A) increased blood glucose, decreased GI peristalsis, and increased heart rate and blood pressure
B) increased blood glucose, increased GI peristalsis, and decreased heart rate and blood pressure
C) decreased blood glucose, increased GI peristalsis, and increased heart rate and blood pressure
D) decreased blood glucose, increased GI peristalsis, and decreased heart rate and blood pressure

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Parasympathetic functions include ________.


A) raising blood glucose levels
B) a stimulation of heart rate and force of contraction
C) lens accommodation for close vision
D) allowing the body to cope with an external threat

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Describe outcome criteria that can be used to evaluate whether a patient is effectively coping with a stressful problem.

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Signs of mobilization of the sympathetic...

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The smooth muscle of the digestive viscera is served largely by the ________.


A) vagus (X) nerves
B) lumbar splanchnic nerves
C) cephalic plexus
D) pelvic nerves

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A

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