Question 1

The vasomotor tone of blood vessels is mostly under sympathetic control.

Accepted Answer

A) True 
 B)False

Question 2

Figure 14.1
Using Figure 14.1, match the following:
-Myelin sheath.

Accepted Answer

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

The parasympathetic fibers of the ________ nerves innervate smooth muscles of the eye that cause the lenses to bulge to accommodate close vision.

Accepted Answer

A)   oculomotor (III) 
B)   abducens (VI) 
C)   optic (II) 
D)   trochlear (IV) E) A) and D)
F) B) and C)

Question 5

Which target organ receives dual innervation?

Accepted Answer

A)   small intestine
B)   kidney
C)   sweat glands
D)   coronary blood vesselsE) B) and D)
F) All of the above

Question 6

Which sympathetic fibers form a splanchnic nerve?

Accepted Answer

A)   those that synapse with parasympathetic fibers
B)   those that pass through the trunk ganglion to synapse in collateral or prevertebral ganglia
C)   those that synapse with somatic fibers
D)   those that synapse in the same trunk ganglion they enteredE) C) and D)
F) B) and C)

Question 7

The "resting and digesting" division of the autonomic nervous system is the ________.

Accepted Answer

A)   parasympathetic division
B)   somatic division
C)   peripheral division
D)   sympathetic divisionE) B) and C)
F) A) and C)

Question 8

Because many of the same cardiac cells are innervated by both parasympathetic and sympathetic fibers,the influence of the two divisions on the heart is synergistic,meaning contraction is strongest when both divisions act together.

Accepted Answer

A) True 
 B)False

Question 9

Match the following:
-Secreted by postganglionic sympathetic fibers to sweat glands.

Accepted Answer

A)  Norepinephrine (N
E)  
B)  Acetylcholine (ACh) C) A) and B)
D) undefined

Question 10

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

Accepted Answer

A)  C
B)  A
C)  E
D)  DE) All of the above
F) B) and C)

Question 11

Describe three potential outcomes that result when a preganglionic axon reaches a sympathetic trunk ganglion.

Accepted Answer

The preganglionic and postganglionic neu...

Question 12

Which of the following is mismatched?

Accepted Answer

A)   sympathetic preganglionic fibers; release ACh
B)   parasympathetic preganglionic fibers; release ACh
C)   parasympathetic postganglionic fibers; release NE
D)   sympathetic postganglionic fibers; release NEE) B) and C)
F) A) and C)

Question 13

The gray rami communicantes consist of myelinated postganglionic fibers.

Accepted Answer

A) True 
 B)False

Question 14

Most blood vessels are innervated by the sympathetic division alone.

Accepted Answer

A) True 
 B)False

Question 15

Thermoregulatory responses to increased heat are mediated by the sympathetic nervous division.

Accepted Answer

A) True 
 B)False

Question 16

Albuterol (Ventolin)binds to β2 receptors and is used by asthma patients to dilate the bronchioles of the lungs and ease breathing.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is mismatched?

Accepted Answer

A)   promotes urination; sympathetic
B)   gallbladder contracts to expel bile; parasympathetic
C)   bronchiole dilation in lungs; sympathetic
D)   penis ejaculation; sympatheticE) None of the above
F) C) and D)

Question 18

Visceral reflex arcs differ from somatic in that ________.

Accepted Answer

A)   visceral arcs contain two sensory neurons
B)   somatic arcs contain one additional component that visceral arcs do not possess
C)   visceral arcs do not use integration centers
D)   visceral arcs involve two motor neuronsE) All of the above
F) C) and D)

Question 19

Which type of drug would be useful in dilating the pupils for an examination of the retina?

Accepted Answer

A)   alpha-1 receptor inhibitor
B)   beta-3 receptor mimic
C)   beta-1 receptor mimic
D)   muscarinic receptor inhibitorE) C) and D)
F) B) and C)

Question 20

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

Accepted Answer

A)   most glands
B)   smooth muscle
C)   cardiac muscle
D)   skeletal muscleE) All of the above
F) C) and D)

Exam 14: The Autonomic Nervous System

Figure 14.1 Using Figure 14.1, match the following: -Myelin sheath.

Correct AnswerverifiedShow Answer

The "resting and digesting" division of the autonomic nervous system is the ________.

Correct AnswerverifiedShow Answer

Match the following: -Secreted by postganglionic sympathetic fibers to sweat glands.

Correct AnswerverifiedShow Answer

Which type of drug would be useful in dilating the pupils for an examination of the retina?

Correct AnswerverifiedShow Answer

Which sympathetic fibers form a splanchnic nerve?

Correct AnswerverifiedShow Answer

Which target organ receives dual innervation?

Correct AnswerverifiedShow Answer

The gray rami communicantes consist of myelinated postganglionic fibers.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

Correct AnswerverifiedShow Answer

Most blood vessels are innervated by the sympathetic division alone.

Correct AnswerverifiedShow Answer

Albuterol (Ventolin)binds to β2 receptors and is used by asthma patients to dilate the bronchioles of the lungs and ease breathing.

Correct AnswerverifiedShow Answer

Visceral reflex arcs differ from somatic in that ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The parasympathetic fibers of the ________ nerves innervate smooth muscles of the eye that cause the lenses to bulge to accommodate close vision.

Correct AnswerverifiedShow Answer

Thermoregulatory responses to increased heat are mediated by the sympathetic nervous division.

Correct AnswerverifiedShow Answer

The vasomotor tone of blood vessels is mostly under sympathetic control.

Correct AnswerverifiedShow Answer

Describe three potential outcomes that result when a preganglionic axon reaches a sympathetic trunk ganglion.

Correct AnswerverifiedThe preganglionic and postganglionic neu...View AnswerShow Answer

Which of the following is mismatched?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Because many of the same cardiac cells are innervated by both parasympathetic and sympathetic fibers,the influence of the two divisions on the heart is synergistic,meaning contraction is strongest when both divisions act together.

Correct AnswerverifiedShow Answer

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Albuterol (Ventolin)binds to β₂ receptors and is used by asthma patients to dilate the bronchioles of the lungs and ease breathing.

Correct Answer
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The preganglionic and postganglionic neu...
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