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Exam 14: The Autonomic Nervous System

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Question 41

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Which of the following statements is not True?

A) Sympathetic origin is craniosacral; parasympathetic is thoracolumbar.
B) Sympathetic ganglia are within a few centimeters of the CNS; parasympathetic are close to visceral organs served.
C) Sympathetic division has short preganglionic and long postganglionic fibers; parasympathetic has long preganglionic and short postganglionic fibers.
D) Sympathetic has extensive branching of preganglionic fibers; parasympathetic has minimal branching of preganglionic fibers.

E) B) and C)
F) A) and D)

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Question 42

Multiple Choice

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Cardiovascular effects of the sympathetic division include all except ________.

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

E) B) and C)
F) A) and D)

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Question 43

Multiple Choice

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Sympathetic responses generally are widespread because ________.

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

Which of the following is not a plexus of the vagus nerve?

Carla was startled by an extremely loud bang that sounded like a gunshot. Her heartbeat accelerated rapidly. When she found that the noise was only a car backfiring, she felt greatly relieved but her heart kept beating heavily for over half an hour. Why did this happen?

Which of the following does not describe the ANS?

Which of the following adrenergic neurotransmitter receptors plays the major role in heart activity?

Sympathetic nerves may leave the spinal cord at which vertebra?

The parasympathetic division uses only ________ as a neurotransmitter in the ganglionic neurons.

The adrenal medulla is considered a "misplaced" sympathetic ganglion by some.

Richard has been under great stress and has complained of migraine headaches for weeks. He tried all kinds of drugs, with little effect. When he was at the end of his rope, a friend suggested yoga and meditation. Having nothing to lose, he tried them and after several months, felt like a new person. How could these practices help him?

Alpha-adrenergic effects dominate the direct control of blood pressure.

The structures that specifically exhibit vasomotor tone are mostly under sympathetic control.

Figure 14.1 Using Figure 14.1, match the following: -Cell body of the somatic neuron.

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?

Autonomic ganglia contain ________.

The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems.

Mrs. Oberhaus needs surgery to correct a severe case of Raynaud's disease, affecting one of her hands. What surgical procedure will be performed? After the surgery, will she be more likely to suffer from anhidrosis (lack of sweating) or hyperhidrosis (profuse sweating) in the affected hand?

Raynaud's disease ________.