Question 1

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 2

Parasympathetic impulses to the stomach pass through the

Accepted Answer

A)  celiac plexus. 
B)  esophageal plexus. 
C)  inferior hypogastric plexus. 
D)  superior mesenteric plexus. 
A)  celiac plexus. 
B)  esophageal plexus. 
C)  inferior hypogastric plexus. 
D)  superior mesenteric plexus.

Question 3

Figure 15.1
Use the diagram above to answer the following questions.
-Which letter indicates the left vagus nerve?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 4

The trunk ganglia contain what kind of cell bodies?

Accepted Answer

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

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 7

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 8

A descriptive term that identifies the type of neurotransmitter released by sympathetic postganglionic fibers.

Accepted Answer

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

Question 9

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 10

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

Accepted Answer

A) True 
 B)False

Question 11

Cell bodies of preganglionic sympathetic neurons are located within the

Accepted Answer

A)  dorsal root ganglia. 
B)  intramural ganglia. 
C)  lateral horns of the gray matter of the spinal cord. 
D)  sympathetic trunk. 
A)  dorsal root ganglia. 
B)  intramural ganglia. 
C)  lateral horns of the gray matter of the spinal cord. 
D)  sympathetic trunk.

Question 12

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 13

Adrenergic postganglionic neurons release the hormones norepinephrine and epinephrine.

Accepted Answer

A) True 
 B)False

Question 14

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 15

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 16

Another name for a chain ganglion is

Accepted Answer

A)  sympathetic trunk. 
B)  paravertebral ganglion. 
C)  prevertebral ganglion. 
D)  intramural ganglion. 
A)  sympathetic trunk. 
B)  paravertebral ganglion. 
C)  prevertebral ganglion. 
D)  intramural ganglion.

Question 17

Network of autonomic axons giving rise to nerves of the pelvic organs.

Accepted Answer

A)  aortic plexus 
B)  pulmonary plexus 
C)  inferior hypogastric plexus 
D)  stellate ganglion 
E)  dorsal root ganglion 
A)  aortic plexus 
B)  pulmonary plexus 
C)  inferior hypogastric plexus 
D)  stellate ganglion 
E)  dorsal root ganglion

Question 18

Congenital megacolon, or Hirschsprung's disease, is a birth defect in which the ________ innervation of the distal region of the large intestine fails to develop normally.

Accepted Answer

The answer of Congenital megacolon, or Hirschsprung's disease, is a...

Question 19

Which of these characteristics definitively distinguishes the autonomic nervous system from the somatic nervous system?

Accepted Answer

A)  cell bodies outside the CNS 
B)  cell bodies within the CNS 
C)  cholinergic fibers 
D)  myelinated axons 
A)  cell bodies outside the CNS 
B)  cell bodies within the CNS 
C)  cholinergic fibers 
D)  myelinated axons

Question 20

The ANS stimulates cardiac muscle as well as smooth muscle and glands. Which of the following nerves carries autonomic fibers that increase the rate of cardiac muscle contraction?

Accepted Answer

A)  phrenic nerves 
B)  sympathetic nerves from the lower half of the thoracolumbar spinal cord 
C)  vagus nerves 
D)  sympathetic nerves from the middle and inferior cervical ganglion 
A)  phrenic nerves 
B)  sympathetic nerves from the lower half of the thoracolumbar spinal cord 
C)  vagus nerves 
D)  sympathetic nerves from the middle and inferior cervical ganglion

Exam 15: The Autonomic Nervous System and Visceral Sensory Neurons

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

Parasympathetic impulses to the stomach pass through the

Figure 15.1 Use the diagram above to answer the following questions. -Which letter indicates the left vagus nerve?

The trunk ganglia contain what kind of cell bodies?

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

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

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

A descriptive term that identifies the type of neurotransmitter released by sympathetic postganglionic fibers.

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

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

Cell bodies of preganglionic sympathetic neurons are located within the

Which of these statements concerning gray rami communicantes is incorrect?

Adrenergic postganglionic neurons release the hormones norepinephrine and epinephrine.

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 the glossopharyngeal nerve is incorrect?

Another name for a chain ganglion is

Network of autonomic axons giving rise to nerves of the pelvic organs.

Congenital megacolon, or Hirschsprung's disease, is a birth defect in which the ________ innervation of the distal region of the large intestine fails to develop normally.

Which of these characteristics definitively distinguishes the autonomic nervous system from the somatic nervous system?

The ANS stimulates cardiac muscle as well as smooth muscle and glands. Which of the following nerves carries autonomic fibers that increase the rate of cardiac muscle contraction?

The Human Body: an Orientation

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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