Question 1

The cardiac center of the medulla oblongata regulates the diameter of blood vessels.

Accepted Answer

A) True 
 B)False

Question 2

Which of these is not a characteristic of the parasympathetic division?

Accepted Answer

A)  branched fibers 
B)  cholinergic fibers 
C)  myelinated fibers 
D)  intramural ganglia 
A)  branched fibers 
B)  cholinergic fibers 
C)  myelinated fibers 
D)  intramural ganglia

Question 3

Parasympathetic fibers innervate the sweat glands, arrector pili, and smooth muscles of the arteries.

Accepted Answer

A) True 
 B)False

Question 4

Which one of these is solely innervated by the parasympathetic division?

Accepted Answer

A)  sweat glands 
B)  ciliary muscle of the eye 
C)  arrector pili muscle of the hair follicle 
D)  adipose tissue 
A)  sweat glands 
B)  ciliary muscle of the eye 
C)  arrector pili muscle of the hair follicle 
D)  adipose tissue

Question 5

Vagal stimulation of the heart decreases heart rate, resulting in a drop in blood pressure.

Accepted Answer

A) True 
 B)False

Question 6

Vasoconstriction and bronchodilation result from stimulation by the division.

Accepted Answer

The answer of Vasoconstriction and bronchodilation result from stimulation by...

Question 7

The sympathetic and parasympathetic divisions differ markedly in the branching of the postganglionic fibers. Explain the anatomical difference and its significance.

Accepted Answer

The postganglionic fibers of the parasym

Question 8

The main integration center of the ANS is the amygdala.

Accepted Answer

A) True 
 B)False

Question 9

The general visceral motor division of the peripheral nervous system describes the

Accepted Answer

A)  parasympathetic division. 
B)  sympathetic division. 
C)  autonomic nervous system. 
A)  parasympathetic division. 
B)  sympathetic division. 
C)  autonomic nervous system.

Question 10

The micturition (urination) reflex is controlled by a parasympathetic reflex pathway in which

Accepted Answer

A)  the preganglionic axons occur in pelvic splanchnic nerves. 
B)  the preganglionic cell bodies are in the wall of the bladder. 
C)  the postganglionic axons occur in the celiac plexus. 
D)  the preganglionic neurons are in the dorsal motor nucleus of the vagus in the brain. 
A)  the preganglionic axons occur in pelvic splanchnic nerves. 
B)  the preganglionic cell bodies are in the wall of the bladder. 
C)  the postganglionic axons occur in the celiac plexus. 
D)  the preganglionic neurons are in the dorsal motor nucleus of the vagus in the brain.

Question 11

The cell bodies of postganglionic neurons that stimulate secretion of the parotid gland are in the

Accepted Answer

A)  superior cervical ganglion. 
B)  otic ganglion. 
C)  sphenopalatine ganglion. 
D)  submandibular ganglion. 
A)  superior cervical ganglion. 
B)  otic ganglion. 
C)  sphenopalatine ganglion. 
D)  submandibular ganglion.

Question 12

The adrenal medulla is comprised of modified sympathetic neurons which secrete epinephrine and norepinephrine.

Accepted Answer

adrenergic

Question 13

During development, all neurons with cell bodies in the PNS derive from the .

Accepted Answer

The answer of During development, all neurons with cell bodies...

Question 14

Explain the relationship between the vagus and pelvic splanchnic nerves, the cardiac and pulmonary plexus, celiac plexus, and hypogastric plexus.

Accepted Answer

Some parasympathetic preganglionic fiber

Question 15

Because the fibers of the sympathetic division arise from the thoracic and lumbar regions of the spinal cord, they cannot innervate structures of the head or pelvis.

Accepted Answer

A) True 
 B)False

Question 16

Adrenergic hormones are secreted into the bloodstream in this region of the adrenal gland.

Accepted Answer

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

Question 17

Which of these statements concerning the glossopharyngeal nerve is incorrect?

Accepted Answer

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

Question 18

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 three-neuron...

Question 19

A class of preganglionic fibers present in both sympathetic and parasympathetic divisions.

Accepted Answer

A)  adrenergic 
B)  postganglionic neuron 
C)  cholinergic 
D)  medulla 
E)  none of the above 
A)  adrenergic 
B)  postganglionic neuron 
C)  cholinergic 
D)  medulla 
E)  none of the above

Question 20

Sympathetic preganglionic fibers leaving the thoracic spinal nerves may ascend within the
before synapsing so that they can exit near the head.

Accepted Answer

The answer of Sympathetic preganglionic fibers leaving the thoracic spinal...

Exam 15: The Autonomic Nervous System and Visceral Sensory Neurons

The cardiac center of the medulla oblongata regulates the diameter of blood vessels.

Which of these is not a characteristic of the parasympathetic division?

Parasympathetic fibers innervate the sweat glands, arrector pili, and smooth muscles of the arteries.

Which one of these is solely innervated by the parasympathetic division?

Vagal stimulation of the heart decreases heart rate, resulting in a drop in blood pressure.

Vasoconstriction and bronchodilation result from stimulation by the division.

The sympathetic and parasympathetic divisions differ markedly in the branching of the postganglionic fibers. Explain the anatomical difference and its significance.

The main integration center of the ANS is the amygdala.

The general visceral motor division of the peripheral nervous system describes the

The micturition (urination) reflex is controlled by a parasympathetic reflex pathway in which

The cell bodies of postganglionic neurons that stimulate secretion of the parotid gland are in the

The adrenal medulla is comprised of modified sympathetic neurons which secrete epinephrine and norepinephrine.

During development, all neurons with cell bodies in the PNS derive from the .

Explain the relationship between the vagus and pelvic splanchnic nerves, the cardiac and pulmonary plexus, celiac plexus, and hypogastric plexus.

Because the fibers of the sympathetic division arise from the thoracic and lumbar regions of the spinal cord, they cannot innervate structures of the head or pelvis.

Adrenergic hormones are secreted into the bloodstream in this region of the adrenal gland.

Which of these statements concerning the glossopharyngeal nerve is incorrect?

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

A class of preganglionic fibers present in both sympathetic and parasympathetic divisions.

Sympathetic preganglionic fibers leaving the thoracic spinal nerves may ascend within the before synapsing so that they can exit near the head.

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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