Question 1

Atropine blocks all nicotinic receptor sites.

Accepted Answer

A) True 
 B)False

Question 2

Sympathetic stimulation ____ heart rate and ____ the motility in the digestive tract.

Accepted Answer

A)  does not affect; decreases 
B)  decreases; decreases 
C)  decreases; increases 
D)  increases; decreases 
E)  increases; increases 
A)  does not affect; decreases 
B)  decreases; decreases 
C)  decreases; increases 
D)  increases; decreases 
E)  increases; increases

Question 3

Complete each of the following statments.
The two divisions of the efferent division of the peripheral nervous system are the ____________________ nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the ____________________ nervous system, which supplies skeletal muscle.

Accepted Answer

The answer of Complete each of the following statments.
The two...

Question 4

Acetylcholine

Accepted Answer

A)  binds to cholinergic receptors on preganglionic neurons 
B)  destroys acetylcholinesterase 
C)  binds to muscarinic receptors 
D)  is released from all postganglionic neurons 
E)  all of these, except destroys acetylcholinesterase 
A)  binds to cholinergic receptors on preganglionic neurons 
B)  destroys acetylcholinesterase 
C)  binds to muscarinic receptors 
D)  is released from all postganglionic neurons 
E)  all of these, except destroys acetylcholinesterase

Question 5

Sympathetic and parasympathetic activity at the salivary glands is antagonistic.

Accepted Answer

A) True 
 B)False

Question 6

What is the fate of ACh following binding to receptors?

Accepted Answer

A)  It remains bound, causing continued excitement. 
B)  It is removed by acetylcholinesterase. 
C)  It is actively reabsorbed by the axon terminal. 
D)  It is passively reabsorbed by the muscle cell. 
E)  None of these. 
A)  It remains bound, causing continued excitement. 
B)  It is removed by acetylcholinesterase. 
C)  It is actively reabsorbed by the axon terminal. 
D)  It is passively reabsorbed by the muscle cell. 
E)  None of these.

Question 7

Binding of a neurotransmitter to a beta receptor on the urinary bladder causes the bladder to contract.

Accepted Answer

A) True 
 B)False

Question 8

Compare and contrast the divisions of the autonomic nervous system with reference to the following: (1) the alternate names for each divisions; (2) where their neurons exit the CNS; (3) anatomical differences between their pre- and post-ganglionic neurons; and (4) the specific neurotransmitters released from the neurons in part 3.

Accepted Answer

The answer of Compare and contrast the divisions of the...

Question 9

The autonomic nervous system is the part of the peripheral nervous system that regulates smooth muscle, cardiac muscle, and glands.

Accepted Answer

A) True 
 B)False

Question 10

Autonomic activity can be influenced by conscious neural activity.

Accepted Answer

A) True 
 B)False

Question 11

What would occur if ACh was not removed from the nicotinic receptors on skeletal muscle cells?

Accepted Answer

A)  The cell would relax. 
B)  The cell would repolarize with the opening of chloride channels. 
C)  The cell would remain contracted until fatigued. 
D)  Sodium would continue to move into the cell, causing excitation. 
E)  The cell would remain contracted until fatigued, and sodium would continue to move into the cell causing excitation. 
A)  The cell would relax. 
B)  The cell would repolarize with the opening of chloride channels. 
C)  The cell would remain contracted until fatigued. 
D)  Sodium would continue to move into the cell, causing excitation. 
E)  The cell would remain contracted until fatigued, and sodium would continue to move into the cell causing excitation.

Question 12

The overall functioning of the ANS contributes to

Accepted Answer

A)  conservation of energy resources when stress levels are low 
B)  mobilization of energy reserves when stress levels are high 
C)  suppression of non-vital activities when stress levels are high 
D)  homeostasis 
E)  all of these 
A)  conservation of energy resources when stress levels are low 
B)  mobilization of energy reserves when stress levels are high 
C)  suppression of non-vital activities when stress levels are high 
D)  homeostasis 
E)  all of these

Question 13

The parasympathetic nervous system inhibits the rate of heartbeat.

Accepted Answer

A) True 
 B)False

Question 14

Select the correct statement about the neuromuscular junction.

Accepted Answer

A)  AChE activity is absent here. 
B)  It involves presynaptic neurons of the autonomic nervous system. 
C)  It is a junction between two neurons. 
D)  It is always excitatory. 
E)  The axon terminals do not store neurotransmitters. 
A)  AChE activity is absent here. 
B)  It involves presynaptic neurons of the autonomic nervous system. 
C)  It is a junction between two neurons. 
D)  It is always excitatory. 
E)  The axon terminals do not store neurotransmitters.

Question 15

Clostridium botulinum toxin inhibits acetylcholinesterase.

Accepted Answer

A) True 
 B)False

Question 16

Sympathetic postganglionic fibers are longer than parasympathetic postganglionic fibers.

Accepted Answer

A) True 
 B)False

Question 17

Complete each of the following statments.
Sympathetic activity stimulates the secretion of ____________________ from the pancreas.

Accepted Answer

The answer of Complete each of the following statments.
Sympathetic activity...

Question 18

Which statement is correct?

Accepted Answer

A)  Long parasympathetic preganglionic fibers end on the terminal ganglia, which lie in or near the effector organ. 
B)  Terminal ganglia give rise to sympathetic postganglionic fibers. 
C)  Terminal ganglia are the final common pathway for the autonomic nervous system. 
D)  Terminal ganglia contain muscarinic receptors. 
E)  Terminal ganglia lie in a chain located along either side of the spinal cord. 
A)  Long parasympathetic preganglionic fibers end on the terminal ganglia, which lie in or near the effector organ. 
B)  Terminal ganglia give rise to sympathetic postganglionic fibers. 
C)  Terminal ganglia are the final common pathway for the autonomic nervous system. 
D)  Terminal ganglia contain muscarinic receptors. 
E)  Terminal ganglia lie in a chain located along either side of the spinal cord.

Question 19

Acetylcholinesterase

Accepted Answer

A)  has enhanced activity from organophosphates 
B)  inactivates a neurotransmitter. 
C)  is a neurotransmitter 
D)  stimulates an EPSP 
E)  triggers the release of sodium from postsynaptic cells 
A)  has enhanced activity from organophosphates 
B)  inactivates a neurotransmitter. 
C)  is a neurotransmitter 
D)  stimulates an EPSP 
E)  triggers the release of sodium from postsynaptic cells

Question 20

Select the CNS structure(s) that can influence autonomic activity.

Accepted Answer

A)  medulla 
B)  hypothalamus 
C)  spinal cord 
D)  all of these 
E)  medulla and hypothalamus 
A)  medulla 
B)  hypothalamus 
C)  spinal cord 
D)  all of these 
E)  medulla and hypothalamus

Exam 7: The Peripheral Nervous System: Efferent Division

Atropine blocks all nicotinic receptor sites.

Sympathetic stimulation ____ heart rate and ____ the motility in the digestive tract.

Complete each of the following statments. The two divisions of the efferent division of the peripheral nervous system are the ____________________ nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the ____________________ nervous system, which supplies skeletal muscle.

Acetylcholine

Sympathetic and parasympathetic activity at the salivary glands is antagonistic.

What is the fate of ACh following binding to receptors?

Binding of a neurotransmitter to a beta receptor on the urinary bladder causes the bladder to contract.

The autonomic nervous system is the part of the peripheral nervous system that regulates smooth muscle, cardiac muscle, and glands.

Autonomic activity can be influenced by conscious neural activity.

What would occur if ACh was not removed from the nicotinic receptors on skeletal muscle cells?

The overall functioning of the ANS contributes to

The parasympathetic nervous system inhibits the rate of heartbeat.

Select the correct statement about the neuromuscular junction.

Clostridium botulinum toxin inhibits acetylcholinesterase.

Sympathetic postganglionic fibers are longer than parasympathetic postganglionic fibers.

Complete each of the following statments. Sympathetic activity stimulates the secretion of ____________________ from the pancreas.

Which statement is correct?

Acetylcholinesterase

Select the CNS structure(s) that can influence autonomic activity.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Sympathetic stimulation heart rate and the motility in the digestive tract.

Complete each of the following statments. The two divisions of the efferent division of the peripheral nervous system are the nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the nervous system, which supplies skeletal muscle.