Question 1

What stimulates the adrenal medulla to secrete its excitatory neurohormones?

Accepted Answer

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

Question 2

The sympathetic division of the ANS arises from the ________ region of the spinal cord.

Accepted Answer

thoracolumbar

Question 3

All parasympathetic postganglionic fibers of the head travel through the trigeminal nerve (V) to their final destinations.

Accepted Answer

A) True 
 B)False  True

Question 4

The part of the brain that exerts the most control over autonomic functioning is the

Accepted Answer

A)  hypothalamus. 
B)  thalamus. 
C)  cerebral cortex. 
D)  cerebellum. 
A)  hypothalamus. 
B)  thalamus. 
C)  cerebral cortex. 
D)  cerebellum.

Question 5

Which of these statements concerning the glossopharyngeal nerve is incorrect?

Accepted Answer

A)  The preganglionic fibers originate in the inferior salivatory nucleus. 
B)  The pre- and postganglionic fibers travel in this nerve. 
C)  The pre- and postganglionic fibers synapse in the otic ganglion. 
D)  Stimulation induces secretion from the parotid gland. 
A)  The preganglionic fibers originate in the inferior salivatory nucleus. 
B)  The pre- and postganglionic fibers travel in this nerve. 
C)  The pre- and postganglionic fibers synapse in the otic ganglion. 
D)  Stimulation induces secretion from the parotid gland.

Question 6

Visceral pain results from all the following except

Accepted Answer

A)  cutting of an organ. 
B)  chemical irritation of an organ. 
C)  excessive stretch of an organ. 
D)  inflammation of an organ. 
A)  cutting of an organ. 
B)  chemical irritation of an organ. 
C)  excessive stretch of an organ. 
D)  inflammation of an organ.

Question 7

Over 90% of all preganglionic parasympathetic fibers are in cranial nerve

Accepted Answer

A)  III. 
B)  V. 
C)  VII. 
D)  X. 
A)  III. 
B)  V. 
C)  VII. 
D)  X.

Question 8

Three-neuron reflex arcs that exist entirely within the walls of the digestive tract.

Accepted Answer

A)  rami communicantes 
B)  enteric nervous system 
C)  inferior hypogastric plexi 
D)  sympathetic trunks 
E)  cholinergic fibers 
A)  rami communicantes 
B)  enteric nervous system 
C)  inferior hypogastric plexi 
D)  sympathetic trunks 
E)  cholinergic fibers

Question 9

Focusing the eye on a nearby object in the field of vision is a function of which division of the ANS?

Accepted Answer

A)  sympathetic 
B)  parasympathetic 
C)  somatic 
D)  cranial 
A)  sympathetic 
B)  parasympathetic 
C)  somatic 
D)  cranial

Question 10

Which of these statements concerning gray rami communicantes is incorrect?

Accepted Answer

A)  They carry postganglionic fibers to peripheral structures. 
B)  Their fibers are unmyelinated. 
C)  They contain all the preganglionic fibers traveling to the sympathetic chain. 
D)  They are associated with sympathetic trunk ganglia. 
A)  They carry postganglionic fibers to peripheral structures. 
B)  Their fibers are unmyelinated. 
C)  They contain all the preganglionic fibers traveling to the sympathetic chain. 
D)  They are associated with sympathetic trunk ganglia.

Question 11

Another name for the ANS is the

Accepted Answer

A)  general visceral motor system. 
B)  general somatic motor system. 
C)  branchial motor system. 
D)  general peripheral nervous system. 
A)  general visceral motor system. 
B)  general somatic motor system. 
C)  branchial motor system. 
D)  general peripheral nervous system.

Question 12

The sympathetic and parasympathetic divisions can be distinguished by the amount of branching of the post-ganglionic fibers.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

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

Question 14

Parasympathetic stimulation of blood vessels causes vasoconstriction and increased blood pressure.

Accepted Answer

A) True 
 B)False

Question 15

Fibers from the cranial and sacral regions of the spinal cord contribute to the sympathetic division.

Accepted Answer

A) True 
 B)False

Question 16

The ________ nervous system consists of complete three-neuron reflex arcs that exist entirely within the wall of the digestive tube.

Accepted Answer

The answer of The ________ nervous system consists of complete...

Question 17

The sympathetic system causes

Accepted Answer

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

Question 18

Location in the brain of the cardiorespiratory and vasomotor control centers.

Accepted Answer

A)  hypothalamus 
B)  medulla 
C)  medulla oblongata 
D)  rami communicantes 
E)  sympathetic trunk 
A)  hypothalamus 
B)  medulla 
C)  medulla oblongata 
D)  rami communicantes 
E)  sympathetic trunk

Question 19

The ________ division of the ANS is most active during vigorous exercise.

Accepted Answer

A)  parasympathetic 
B)  sympathetic 
C)  autonomic 
D)  somatic 
A)  parasympathetic 
B)  sympathetic 
C)  autonomic 
D)  somatic

Question 20

Describe the correct pathway that a nerve impulse to blood vessels and hair follicles (glands and arrector pili muscles) in the dermis must travel using the following structures: ventral ramus, dorsal root, ventral root, sympathetic trunk, gray ramus communicans, white ramus communicans, and spinal nerve.

Accepted Answer

Efferent impulses leave the spinal cord

Exam 15: The Autonomic Nervous System and Visceral Sensory Neurons

What stimulates the adrenal medulla to secrete its excitatory neurohormones?

The sympathetic division of the ANS arises from the ________ region of the spinal cord.

All parasympathetic postganglionic fibers of the head travel through the trigeminal nerve (V) to their final destinations.

The part of the brain that exerts the most control over autonomic functioning is the

Which of these statements concerning the glossopharyngeal nerve is incorrect?

Visceral pain results from all the following except

Over 90% of all preganglionic parasympathetic fibers are in cranial nerve

Three-neuron reflex arcs that exist entirely within the walls of the digestive tract.

Focusing the eye on a nearby object in the field of vision is a function of which division of the ANS?

Which of these statements concerning gray rami communicantes is incorrect?

Another name for the ANS is the

The sympathetic and parasympathetic divisions can be distinguished by the amount of branching of the post-ganglionic fibers.

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

Parasympathetic stimulation of blood vessels causes vasoconstriction and increased blood pressure.

Fibers from the cranial and sacral regions of the spinal cord contribute to the sympathetic division.

The ________ nervous system consists of complete three-neuron reflex arcs that exist entirely within the wall of the digestive tube.

The sympathetic system causes

Location in the brain of the cardiorespiratory and vasomotor control centers.

The ________ division of the ANS is most active during vigorous exercise.

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

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