Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The parasympathetic ganglion that serves the eye is the________.

Accepted Answer

A)   submandibular ganglion
B)   pterygopalatine ganglion
C)   ciliary ganglion
D)   otic ganglion

Question 3

Which sympathetic fibers form a splanchnic nerve?

Accepted Answer

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

Question 4

The mushroom poison muscarine can bind to receptors on ________.

Accepted Answer

A)   all effector cells stimulated by postganglionic cholinergic fibers
B)   cell bodies and dendrites of sympathetic postganglionic neurons
C)   the hormone producing cells of the adrenal medulla
D)   cell bodies and dendrites of parasympathetic postganglionic neurons

Question 5

Control of temperature, endocrine activity, and thirst are functions associated with the________.

Accepted Answer

A)   cerebellum
B)   hypothalamus
C)   medulla
D)   thalamus

Question 6

Which of the following does not describe the ANS?

Accepted Answer

A)   involuntary nervous system
B)   a system of motor neurons that innervates all muscle cells
C)   a system of motor neurons that innervates smooth and cardiac muscle and glands
D)   general visceral motor system

Question 7

Somatic and visceral reflex arcs are similar, but visceral reflex arcs lack afferent fibers (visceral sensory neurons).

Accepted Answer

A) True 
 B)False

Question 8

Which target organ receives dual innervation?

Accepted Answer

A)   small intestine
B)   coronary blood vessels
C)   kidney
D)   sweat glands

Question 9

The sacral part of the parasympathetic division serves the pelvic organs and the distal half of the large intestine.

Accepted Answer

A) True 
 B)False

Question 10

Where would you not find autonomic ganglia?

Accepted Answer

A)   within wall of organ served or close to organ
B)   paired, beside spinal cord
C)   unpaired, anterior to spinal cord
D)   within spinal cord

Question 11

Which of the following appears to exert the most direct influence over autonomic functions?

Accepted Answer

A)   medulla oblongata
B)   midbrain
C)   hypothalamus
D)   reticular formation

Question 12

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

Accepted Answer

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

Question 13

The effect of the parasympathetic division on the penis is vasodilation causing erection, while ejaculation is due to sympathetic stimulation.

Accepted Answer

A) True 
 B)False

Question 14

The effect of beta-blocker drugs (block beta-receptors) is to decrease blood pressure.

Accepted Answer

A) True 
 B)False

Question 15

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?

Accepted Answer

Mrs. Oberhaus' doctor will perform a sym...

Question 16

Visceral reflex arcs differ from somatic in that ________.

Accepted Answer

A)   visceral arcs contain two sensory neurons
B)   visceral arcs involve two motor neurons
C)   somatic arcs contain one additional component that visceral arcs do not possess
D)   visceral arcs do not use integration centers

Question 17

The ANS stimulates smooth muscles, skeletal muscles and glands, whereas the somatic nervous system innervates skeletal muscles only.

Accepted Answer

A) True 
 B)False

Question 18

The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.

Accepted Answer

A) True 
 B)False

Question 19

Once a sympathetic preganglionic axon reaches a trunk ganglion, it can do all of the followingexcept?

Accepted Answer

A)   ascend or descend the trunk to synapse in another trunk ganglion
B)   pass through the trunk ganglion without synapsing with another neuron
C)   synapse with a parasympathetic neuron in the same trunk ganglion
D)   synapse with a ganglionic neuron in the same trunk ganglion

Question 20

The facial (VII), glossopharyngeal (IX), and vagus (X) nerves contain postganglionic fibers of the parasympathetic nervous system.

Accepted Answer

A) True 
 B)False

Exam 14: The Autonomic Nervous System

Which target organ receives dual innervation?

Correct AnswerverifiedShow Answer

Visceral reflex arcs differ from somatic in that ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The effect of the parasympathetic division on the penis is vasodilation causing erection, while ejaculation is due to sympathetic stimulation.

Correct AnswerverifiedShow Answer

The parasympathetic ganglion that serves the eye is the________.

Correct AnswerverifiedShow Answer

The sacral part of the parasympathetic division serves the pelvic organs and the distal half of the large intestine.

Correct AnswerverifiedShow Answer

The facial (VII), glossopharyngeal (IX), and vagus (X) nerves contain postganglionic fibers of the parasympathetic nervous system.

Correct AnswerverifiedShow Answer

Which of the following does not describe the ANS?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedMrs. Oberhaus' doctor will perform a sym...View AnswerShow Answer

Where would you not find autonomic ganglia?

Correct AnswerverifiedShow Answer

Which of the following appears to exert the most direct influence over autonomic functions?

Correct AnswerverifiedShow Answer

Once a sympathetic preganglionic axon reaches a trunk ganglion, it can do all of the followingexcept?

Correct AnswerverifiedShow Answer

Which sympathetic fibers form a splanchnic nerve?

Correct AnswerverifiedShow Answer

The mushroom poison muscarine can bind to receptors on ________.

Correct AnswerverifiedShow Answer

Somatic and visceral reflex arcs are similar, but visceral reflex arcs lack afferent fibers (visceral sensory neurons).

Correct AnswerverifiedShow Answer

The effect of beta-blocker drugs (block beta-receptors) is to decrease blood pressure.

Correct AnswerverifiedShow Answer

The ANS stimulates smooth muscles, skeletal muscles and glands, whereas the somatic nervous system innervates skeletal muscles only.

Correct AnswerverifiedShow Answer

Control of temperature, endocrine activity, and thirst are functions associated with the________.

Correct AnswerverifiedShow Answer

The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Mrs. Oberhaus' doctor will perform a sym...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified