Question 1

Select the best description of the parasympathetic postganglionic neurons:

Accepted Answer

A)  cell bodies are in terminal ganglia 
B)  axons are myelinated 
C)  cell bodies are in sympathetic trunk ganglia (vertebral chain ganglia) or prevertebral ganglia 
D)  cell bodies are in the brain stem nuclei of the oculomotor (III), facial (VII), glossopharyngeal (IX), and vagus (X) nerves 
E)  axons tend to be long 
A)  cell bodies are in terminal ganglia 
B)  axons are myelinated 
C)  cell bodies are in sympathetic trunk ganglia (vertebral chain ganglia) or prevertebral ganglia 
D)  cell bodies are in the brain stem nuclei of the oculomotor (III), facial (VII), glossopharyngeal (IX), and vagus (X) nerves 
E)  axons tend to be long

Question 2

The posterior and lateral portions of the hypothalamus control the _____ division of the autonomic nervous system.

Accepted Answer

A)  sympathetic 
B)  parasympathetic 
C)  somatic 
A)  sympathetic 
B)  parasympathetic 
C)  somatic

Question 3

Select the best description of the nuclei in the brain stem:

Accepted Answer

A)  carries parasympathetic impulses to terminal ganglia in most organs of the ventral cavity 
B)  sympathetic; sends impulses along postganglionic axons to heart 
C)  receives sympathetic preganglionic axons via thoracic splanchnic nerves 
D)  contain sympathetic preganglionic cell bodies 
E)  contain parasympathetic preganglionic cell bodies 
A)  carries parasympathetic impulses to terminal ganglia in most organs of the ventral cavity 
B)  sympathetic; sends impulses along postganglionic axons to heart 
C)  receives sympathetic preganglionic axons via thoracic splanchnic nerves 
D)  contain sympathetic preganglionic cell bodies 
E)  contain parasympathetic preganglionic cell bodies

Question 4

Compare and contrast the anatomy of the motor pathways of the sympathetic and parasympathetic divisions of the autonomic nervous system and list the neurotransmitters released at each synapse in each pathway.

Accepted Answer

See Table

Question 5

Arrange the following components of an autonomic reflex arc in the proper order: 
1) preganglionic motor neuron
2) receptor
3) integrating center (interneurons)
4) postganglionic motor neuron
5) visceral effector
6) autonomic ganglion
7) sensory neuron

Accepted Answer

A)  7, 2, 1, 3, 4, 6, 5 
B)  1, 2, 7, 3, 6, 5, 4 
C)  2, 1, 3, 7, 4, 6, 5 
D)  2, 7, 3, 1, 6, 4, 5 
A)  7, 2, 1, 3, 4, 6, 5 
B)  1, 2, 7, 3, 6, 5, 4 
C)  2, 1, 3, 7, 4, 6, 5 
D)  2, 7, 3, 1, 6, 4, 5

Question 6

This leader line points to the right sympathetic trunk ganglion which receives preganglionic axons from thoracic and lumbar spinal cord segments.

Accepted Answer

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

Question 7

The facial (VII) cranial nerves carry parasympathetic preganglionic axons (fibers) to two pairs of terminal ganglia: the _____ and the _____ ganglia.

Accepted Answer

submandibu

Question 8

Autonomic neurons that secrete the neurotransmitter acetylcholine:

Accepted Answer

A)  are called adrenergic. 
B)  include all postganglionic neurons. 
C)  include all preganglionic neurons. 
D)  all sympathetic postganglionic neurons. 
A)  are called adrenergic. 
B)  include all postganglionic neurons. 
C)  include all preganglionic neurons. 
D)  all sympathetic postganglionic neurons.

Question 9

In the figure below, which letter represents the celiac ganglion (one of the four major prevertebral ganglia)?

Accepted Answer

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

Question 10

Dual innervation means that an organ is innervated (stimulated) by both the somatic and the autonomic nervous systems.

Accepted Answer

A) True 
 B)False

Question 11

Autonomic plexuses in the thorax, abdomen and pelvis may contain

Accepted Answer

A)  sympathetic ganglia. 
B)  axons of sympathetic and parasympathetic neurons. 
C)  axons of autonomic sensory neurons. 
D)  All of these choices. 
A)  sympathetic ganglia. 
B)  axons of sympathetic and parasympathetic neurons. 
C)  axons of autonomic sensory neurons. 
D)  All of these choices.

Question 12

Alpha and beta receptors are found in the sympathetic division. They exist on postganglionic neurons and on visceral effectors.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second is false. 
D)  The second statement is true; the first is false. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second is false. 
D)  The second statement is true; the first is false.

Question 13

Bronchoconstriction brought on by various allergens is a _____ response.

Accepted Answer

A)  sympathetic 
B)  parasympathetic 
C)  visceral afferent 
D)  somatic 
A)  sympathetic 
B)  parasympathetic 
C)  visceral afferent 
D)  somatic

Question 14

In general, the postganglionic axons (fibers) of prevertebral ganglia of the sympathetic division innervate (stimulate) effectors above the diaphragm.

Accepted Answer

A) True 
 B)False

Question 15

Select the best description of the thoracic and lumbar lateral gray horns:

Accepted Answer

A)  contains sympathetic preganglionic axons 
B)  sympathetic; sends impulses along postganglionic axons to heart 
C)  receives sympathetic preganglionic axons via thoracic splanchnic nerves 
D)  contain sympathetic preganglionic cell bodies 
E)  contain parasympathetic preganglionic cell bodies 
A)  contains sympathetic preganglionic axons 
B)  sympathetic; sends impulses along postganglionic axons to heart 
C)  receives sympathetic preganglionic axons via thoracic splanchnic nerves 
D)  contain sympathetic preganglionic cell bodies 
E)  contain parasympathetic preganglionic cell bodies

Question 16

The motor output component of the autonomic nervous system has two divisions: _____ and _____.

Accepted Answer

sympatheti

Question 17

In almost all cases, synapses between preganglionic and postganglionic neurons of the sympathetic division occur either in _____ ganglia or in _____ ganglia.

Accepted Answer

prevertebral, sympat

Question 18

A lateral gray horn could be found in the S2 (second sacral) spinal cord segment.

Accepted Answer

A) True 
 B)False

Question 19

The major autonomic plexuses of the thorax are the _____ plexus and the ______ plexus.

Accepted Answer

The answer of The major autonomic plexuses of the thorax...

Question 20

Which of the following responses is a result of sympathetic stimulation?

Accepted Answer

A)  decreased heart rate 
B)  decreased diameter (constriction) of the pupils 
C)  increased digestive secretions 
D)  increased rate and depth of breathing 
A)  decreased heart rate 
B)  decreased diameter (constriction) of the pupils 
C)  increased digestive secretions 
D)  increased rate and depth of breathing

Exam 19: The Autonomic Nervous System

Select the best description of the parasympathetic postganglionic neurons:

The posterior and lateral portions of the hypothalamus control the _____ division of the autonomic nervous system.

Select the best description of the nuclei in the brain stem:

Compare and contrast the anatomy of the motor pathways of the sympathetic and parasympathetic divisions of the autonomic nervous system and list the neurotransmitters released at each synapse in each pathway.

Arrange the following components of an autonomic reflex arc in the proper order: 1) preganglionic motor neuron 2) receptor 3) integrating center (interneurons) 4) postganglionic motor neuron 5) visceral effector 6) autonomic ganglion 7) sensory neuron

This leader line points to the right sympathetic trunk ganglion which receives preganglionic axons from thoracic and lumbar spinal cord segments.

The facial (VII) cranial nerves carry parasympathetic preganglionic axons (fibers) to two pairs of terminal ganglia: the _____ and the _____ ganglia.

Autonomic neurons that secrete the neurotransmitter acetylcholine:

In the figure below, which letter represents the celiac ganglion (one of the four major prevertebral ganglia)?

Dual innervation means that an organ is innervated (stimulated) by both the somatic and the autonomic nervous systems.

Autonomic plexuses in the thorax, abdomen and pelvis may contain

Alpha and beta receptors are found in the sympathetic division. They exist on postganglionic neurons and on visceral effectors.

Bronchoconstriction brought on by various allergens is a _____ response.

In general, the postganglionic axons (fibers) of prevertebral ganglia of the sympathetic division innervate (stimulate) effectors above the diaphragm.

Select the best description of the thoracic and lumbar lateral gray horns:

The motor output component of the autonomic nervous system has two divisions: _____ and _____.

In almost all cases, synapses between preganglionic and postganglionic neurons of the sympathetic division occur either in _____ ganglia or in _____ ganglia.

A lateral gray horn could be found in the S2 (second sacral) spinal cord segment.

The major autonomic plexuses of the thorax are the _____ plexus and the ______ plexus.

Which of the following responses is a result of sympathetic stimulation?

An Introduction to the Human Body

Cells

Tissues

Development

The Integumentary System

Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic Lymphoid System and Immunity

Nervous Tissue

The Spinal Cord and the Spinal Nerves

The Brain and the Cranial Nerves

Somatic Senses and Motor Control

Special Senses

The Endocrine System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems

Surface Anatomy

Filters

The facial (VII) cranial nerves carry parasympathetic preganglionic axons (fibers) to two pairs of terminal ganglia: the _ and the _ ganglia.

The motor output component of the autonomic nervous system has two divisions: _ and _.

In almost all cases, synapses between preganglionic and postganglionic neurons of the sympathetic division occur either in _ ganglia or in _ ganglia.

The major autonomic plexuses of the thorax are the _ plexus and the __ plexus.