Chapter 14 The Autonomic Nervous System (Mastering A&P)

Which division of the nervous system has short preganglionic neurons?

A. parasympathetic
B. somatic motor
C. somatic sensory
D. sympathetic

Which of the following is NOT an antagonistic effect of the sympathetic nervous system?

A. dilated airways
B. increased cognitive functioning
C. increased heart rate
D. inhibited digestion and elimination

Which autonomic neurons release norepinephrine as a neurotransmitter?

A. sympathetic postganglionic neurons
B. parasympathetic preganglionic neurons
C. sympathetic preganglionic neurons
D. parasympathetic postganglionic neurons

For which of the following activities is the parasympathetic nervous system generally responsible?

A. resting and digesting
B. vigorous physical activity
C. fight-or-flight responses
D. sweating and dilating pupils

Symptoms of autonomic neuropathy could include any EXCEPT which of the following?

A. diarrhea
B. constipation
C. abnormal stretch reflex responses
D. hyposecretion by sudoriferous glands

Which of the following is a way in which the somatic and autonomic nervous systems are similar?

A. Both systems share common effectors.
B. Both systems elicit the same target organ responses to their neurotransmitters.
C. Both systems have ganglia in their motor pathways.
D. Both systems share common efferent pathways.
E. None of the above.

Which of the following best demonstrates an example of cooperation of the parasympathetic and sympathetic nervous systems?

A. Parasympathetic stimulation causes copious sweating; sympathetic stimulation causes epidermal pores to dilate.
B. Sympathetic stimulation causes vasodilation of blood vessels in the clitoris, leading to erection; parasympathetic stimulation then causes reflex contractions of the vagina.
C. Sympathetic stimulation causes vasodilation of blood vessels in the penis, leading to erection; parasympathetic stimulation then causes ejaculation.
D. Parasympathetic stimulation causes vasodilation of blood vessels in the penis, leading to erection; sympathetic stimulation then causes ejaculation.

Which of the following is NOT associated with the parasympathetic division of the autonomic nervous system (ANS)?

A. energy conservation
B. resting
C. digesting
D. emergency action

What differentiates an autonomic reflex from a somatic reflex?

A. a two-neuron motor pathway
B. a single sensory neuron in the sensory pathway
C. presence of a sensory receptor
D. an integration center

Which of the following is responsible for the overall integration of the autonomic nervous system (ANS)?

A. reticular formation
B. frontal lobe of the cerebral cortex
C. hypothalamus
D. brain stem