Question 1

The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems.

Accepted Answer

A) True 
 B)False  False

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

List three key anatomical differences between the sympathetic and parasympathetic divisions.

Accepted Answer

1. They have unique origin sites within the CNS. 2. They have different lengths of pre- and post-ganglionic axons. 3. Their ganglia are located in different areas.

Question 4

Sympathetic responses generally are widespread because_________ _.

Accepted Answer

A)  preganglionic fibers are short 
B)  inactivation of ACh is fairly slow 
C)  NE and epinephrine are secreted into the blood as part of the sympathetic response 
D)  preganglionic fibers are long 
A)  preganglionic fibers are short 
B)  inactivation of ACh is fairly slow 
C)  NE and epinephrine are secreted into the blood as part of the sympathetic response 
D)  preganglionic fibers are long

Question 5

Autonomic ganglia contain_________  .

Accepted Answer

A)  an outer connective tissue capsule around the cell bodies of preganglionic motor neurons 
B)  the cell bodies of motor neurons 
C)  synapses between postganglionic fibers and their effectors 
D)  both somatic afferent and efferent neurons 
A)  an outer connective tissue capsule around the cell bodies of preganglionic motor neurons 
B)  the cell bodies of motor neurons 
C)  synapses between postganglionic fibers and their effectors 
D)  both somatic afferent and efferent neurons

Question 6

Which of the following is a function of the parasympathetic division?

Accepted Answer

A)  increases heart rate and force of contraction 
B)  produces "goosebumps" 
C)  dilates bronchioles 
D)  contracts smooth muscle of the bladder wall and relaxes urethral sphincter 
A)  increases heart rate and force of contraction 
B)  produces "goosebumps" 
C)  dilates bronchioles 
D)  contracts smooth muscle of the bladder wall and relaxes urethral sphincter

Question 7

Thermoregulatory responses to increased heat are mediated by the parasympathetic nervous division.

Accepted Answer

A) True 
 B)False

Question 8

Most disorders of the autonomic nervous system reflect abnormalities of smooth muscle control.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following adrenergic neurotransmitter receptors plays the major role in heart activity?

Accepted Answer

A)  beta 1 
B)  beta 2 
C)  beta 3 
D)  alpha 1 
A)  beta 1 
B)  beta 2 
C)  beta 3 
D)  alpha 1

Question 10

Which of the following statements is FALSE?

Accepted Answer

A)  Sympathetic division has short preganglionic and long postganglionic fibers; parasympathetic has long preganglionic and short postganglionic fibers. 
B)  Sympathetic has extensive branching of preganglionic fibers; parasympathetic has minimal branching of preganglionic fibers. 
C)  Sympathetic origin is craniosacral; parasympathetic is thoracolumbar. 
D)  Sympathetic ganglia are within a few centimeters of the CNS; parasympathetic ganglia are close to the visceral organs served. 
A)  Sympathetic division has short preganglionic and long postganglionic fibers; parasympathetic has long preganglionic and short postganglionic fibers. 
B)  Sympathetic has extensive branching of preganglionic fibers; parasympathetic has minimal branching of preganglionic fibers. 
C)  Sympathetic origin is craniosacral; parasympathetic is thoracolumbar. 
D)  Sympathetic ganglia are within a few centimeters of the CNS; parasympathetic ganglia are close to the visceral organs served.

Question 11

Where would you NOT find a cholinergeric nicotinic receptor?

Accepted Answer

A)  sarcolemma of skeletal muscle cells at neuromuscular junctions 
B)  all postganglionic neurons (cell bodies and dendrites) 
C)  adrenal medulla hormone producing cells 
D)  all parasympathetic target organs 
A)  sarcolemma of skeletal muscle cells at neuromuscular junctions 
B)  all postganglionic neurons (cell bodies and dendrites) 
C)  adrenal medulla hormone producing cells 
D)  all parasympathetic target organs

Question 12

Which of the following is NOT a result of parasympathetic stimulation?

Accepted Answer

A)  salivation 
B)  dilation of the pupils 
C)  elimination of urine 
D)  increased peristalsis of the digestive viscera 
A)  salivation 
B)  dilation of the pupils 
C)  elimination of urine 
D)  increased peristalsis of the digestive viscera

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is mismatched?

Accepted Answer

A)  bronchiole dilation in lungs; sympathetic 
B)  penis ejaculation; sympathetic 
C)  gallbladder contracts to expel bile; parasympathetic 
D)  promotes urination; sympathetic 
A)  bronchiole dilation in lungs; sympathetic 
B)  penis ejaculation; sympathetic 
C)  gallbladder contracts to expel bile; parasympathetic 
D)  promotes urination; sympathetic

Question 15

Over 90% of all parasympathetic fibers are derived from cranial nerve ___________.

Accepted Answer

A)  V (trigeminal) 
B)  XII (hypoglossal) 
C)  VII (facial) 
D)  X (vagus) 
A)  V (trigeminal) 
B)  XII (hypoglossal) 
C)  VII (facial) 
D)  X (vagus)

Question 16

Parasympathetic functions include_________  .

Accepted Answer

A)  lens accommodation for close vision 
B)  a stimulation of heart rate and force of contraction 
C)  raising blood glucose levels 
D)  allowing the body to cope with an external threat 
A)  lens accommodation for close vision 
B)  a stimulation of heart rate and force of contraction 
C)  raising blood glucose levels 
D)  allowing the body to cope with an external threat

Question 17

Describe three potential outcomes that result when a preganglionic axon reaches a sympathetic trunk ganglion.

Accepted Answer

The preganglionic and postganglionic neu

Question 18

Carla was startled by an extremely loud bang that sounded like a gunshot. Her heartbeat accelerated rapidly.
When she found that the noise was only a car backfiring, she felt greatly relieved but her heart kept beating
heavily for over half an hour. Why did this happen?

Accepted Answer

The effects of sympathetic activators ar

Question 19

Visceral reflex arcs differ from somatic in that _________ .

Accepted Answer

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

Question 20

Albuterol (Ventolin) binds to )2 receptors and is used by asthma patients to constrict the bronchioles of the lungs and ease breathing.

Accepted Answer

A) True 
 B)False

The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems.

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

List three key anatomical differences between the sympathetic and parasympathetic divisions.

Sympathetic responses generally are widespread because_________ _.

Autonomic ganglia contain_________ .

Which of the following is a function of the parasympathetic division?

Thermoregulatory responses to increased heat are mediated by the parasympathetic nervous division.

Most disorders of the autonomic nervous system reflect abnormalities of smooth muscle control.

Which of the following adrenergic neurotransmitter receptors plays the major role in heart activity?

Which of the following statements is FALSE?

Where would you NOT find a cholinergeric nicotinic receptor?

Which of the following is NOT a result of parasympathetic stimulation?

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

Which of the following is mismatched?

Over 90% of all parasympathetic fibers are derived from cranial nerve ___________.

Parasympathetic functions include_________ .

Describe three potential outcomes that result when a preganglionic axon reaches a sympathetic trunk ganglion.

Carla was startled by an extremely loud bang that sounded like a gunshot. Her heartbeat accelerated rapidly. When she found that the noise was only a car backfiring, she felt greatly relieved but her heart kept beating heavily for over half an hour. Why did this happen?

Visceral reflex arcs differ from somatic in that _________ .

Albuterol (Ventolin) binds to )2 receptors and is used by asthma patients to constrict the bronchioles of the lungs and ease breathing.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

Filters

Exam 14: The Autonomic Nervous System

The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems.

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

List three key anatomical differences between the sympathetic and parasympathetic divisions.

Sympathetic responses generally are widespread because_________ _.

Autonomic ganglia contain_________ .

Which of the following is a function of the parasympathetic division?

Thermoregulatory responses to increased heat are mediated by the parasympathetic nervous division.

Most disorders of the autonomic nervous system reflect abnormalities of smooth muscle control.

Which of the following adrenergic neurotransmitter receptors plays the major role in heart activity?

Which of the following statements is FALSE?

Where would you NOT find a cholinergeric nicotinic receptor?

Which of the following is NOT a result of parasympathetic stimulation?

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

Which of the following is mismatched?

Over 90% of all parasympathetic fibers are derived from cranial nerve ___________.

Parasympathetic functions include_________ .

Describe three potential outcomes that result when a preganglionic axon reaches a sympathetic trunk ganglion.

Carla was startled by an extremely loud bang that sounded like a gunshot. Her heartbeat accelerated rapidly. When she found that the noise was only a car backfiring, she felt greatly relieved but her heart kept beating heavily for over half an hour. Why did this happen?

Visceral reflex arcs differ from somatic in that _________ .

Albuterol (Ventolin) binds to )2 receptors and is used by asthma patients to constrict the bronchioles of the lungs and ease breathing.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

Filters