Question 1

Which of the following is least associated with monoamine oxidase (MAO)?

Accepted Answer

A) Enzyme that degrades norepinephrine 
B) Found within all cholinergic nerve terminals 
C) Associated with sympathetic activity 
D) Associated with adrenergic fibers 
A) Enzyme that degrades norepinephrine 
B) Found within all cholinergic nerve terminals 
C) Associated with sympathetic activity 
D) Associated with adrenergic fibers B

Question 2

Increased heart rate,increased blood pressure,bronchodilation,diaphoresis,and pupillary dilation (mydriasis) are consequences of

Accepted Answer

A) activation of the adrenergic receptors. 
B) anticholinergic effect. 
C) vagomimetic activity. 
D) alpha1 blockade. 
A) activation of the adrenergic receptors. 
B) anticholinergic effect. 
C) vagomimetic activity. 
D) alpha1 blockade. A

Question 3

A beta₁-adrenergic agonist

Accepted Answer

A) increases heart rate. 
B) causes the release of acetylcholine. 
C) blocks the effects of norepinephrine at its receptor site. 
D) lowers blood pressure. 
A) increases heart rate. 
B) causes the release of acetylcholine. 
C) blocks the effects of norepinephrine at its receptor site. 
D) lowers blood pressure. A

Question 4

Muscarinic receptors are

Accepted Answer

A) activated by norepinephrine. 
B) located on the effector organs of the sympathetic nervous system. 
C) activated by catecholamines such as adrenalin and dopamine. 
D) activated by ACh. 
A) activated by norepinephrine. 
B) located on the effector organs of the sympathetic nervous system. 
C) activated by catecholamines such as adrenalin and dopamine. 
D) activated by ACh.

Question 5

Which of the following is true of the preganglionic fibers of both the sympathetic and parasympathetic nervous systems? Both

Accepted Answer

A) are adrenergic. 
B) secrete ACh. 
C) synapse at the paravertebral ganglia. 
D) are targets of beta blockers. 
A) are adrenergic. 
B) secrete ACh. 
C) synapse at the paravertebral ganglia. 
D) are targets of beta blockers.

Question 6

Alpha and beta receptors are

Accepted Answer

A) associated with the parasympathetic nervous system. 
B) associated with craniosacral outflow. 
C) located on the paravertebral ganglia. 
D) activated by norepinephrine. 
A) associated with the parasympathetic nervous system. 
B) associated with craniosacral outflow. 
C) located on the paravertebral ganglia. 
D) activated by norepinephrine.

Question 7

Vagal discharge activates

Accepted Answer

A) muscarinic receptors. 
B) alpha1-adrenergic receptors. 
C) Beta₁-adrenergic receptors. 
D) the paravertebral ganglia. 
A) muscarinic receptors. 
B) alpha1-adrenergic receptors. 
C) Beta₁-adrenergic receptors. 
D) the paravertebral ganglia.

Question 8

Which of the following is an adrenergic fiber?

Accepted Answer

A) Postganglionic parasympathetic 
B) Preganglionic sympathetic 
C) Preganglionic parasympathetic 
D) Postganglionic sympathetic 
A) Postganglionic parasympathetic 
B) Preganglionic sympathetic 
C) Preganglionic parasympathetic 
D) Postganglionic sympathetic

Question 9

Which of the following is an effect of postganglionic parasympathetic discharge?

Accepted Answer

A) Slowed heart rate 
B) Increased blood pressure 
C) Dilation of the pupil of the eye 
D) Stronger contraction of the heart 
A) Slowed heart rate 
B) Increased blood pressure 
C) Dilation of the pupil of the eye 
D) Stronger contraction of the heart

Question 10

Which of the following is least descriptive of thoracolumbar outflow?

Accepted Answer

A) Fight or flight 
B) Muscarinic and nicotinic receptors 
C) Sympathetic nervous system 
D) Paravertebral ganglia 
A) Fight or flight 
B) Muscarinic and nicotinic receptors 
C) Sympathetic nervous system 
D) Paravertebral ganglia

Question 11

What is another term for thoracolumbar outflow?

Accepted Answer

A) Vagal discharge 
B) Parasympathetic nervous system 
C) Sympathetic nervous system 
D) Limbic system 
A) Vagal discharge 
B) Parasympathetic nervous system 
C) Sympathetic nervous system 
D) Limbic system

Question 12

Which of the following is characteristic of the parasympathetic nervous system?

Accepted Answer

A) Fight-or-flight response 
B) Thoracolumbar 
C) Paravertebral ganglia 
D) Postganglionic fiber is cholinergic 
A) Fight-or-flight response 
B) Thoracolumbar 
C) Paravertebral ganglia 
D) Postganglionic fiber is cholinergic

Question 13

Which of the following is most related to the "feed-and-breed" system?

Accepted Answer

A) Pyramidal tracts 
B) Sympathetic nervous system 
C) Craniosacral outflow 
D) Rapid heart rate,palpitations,sweating 
A) Pyramidal tracts 
B) Sympathetic nervous system 
C) Craniosacral outflow 
D) Rapid heart rate,palpitations,sweating

Question 14

Which group is incorrect?

Accepted Answer

A) Adrenergic receptors: alpha,beta 
B) Cholinergic receptors: muscarinic,nicotinic 
C) Neurotransmitters: norepinephrine,ACh,dopamine 
D) Sympathetic responses: decreased blood pressure,decreased heart rate,anxiety 
A) Adrenergic receptors: alpha,beta 
B) Cholinergic receptors: muscarinic,nicotinic 
C) Neurotransmitters: norepinephrine,ACh,dopamine 
D) Sympathetic responses: decreased blood pressure,decreased heart rate,anxiety

Question 15

Which of the following is most related to the postganglionic sympathetics?

Accepted Answer

A) Muscarinic receptors 
B) ACh 
C) Alpha and beta receptor activation 
D) Craniosacral outflow 
A) Muscarinic receptors 
B) ACh 
C) Alpha and beta receptor activation 
D) Craniosacral outflow

Question 16

The effects of adrenal medullary secretion most resemble

Accepted Answer

A) craniosacral outflow. 
B) firing of the somatic motor neurons. 
C) sympathetic nerve discharge. 
D) vagal discharge. 
A) craniosacral outflow. 
B) firing of the somatic motor neurons. 
C) sympathetic nerve discharge. 
D) vagal discharge.

Question 17

Atropine is classified as a muscarinic antagonist or blocker and therefore is

Accepted Answer

A) parasympathomimetic. 
B) sympatholytic. 
C) vagolytic. 
D) sympathomimetic. 
A) parasympathomimetic. 
B) sympatholytic. 
C) vagolytic. 
D) sympathomimetic.

Question 18

Vasomotor tone is

Accepted Answer

A) a vasoconstrictor effect caused by background firing of the sympathetic nerves. 
B) a vagally induced peripheral vasodilation. 
C) caused by parasympathomimetic drugs. 
D) caused by sympatholytic drugs. 
A) a vasoconstrictor effect caused by background firing of the sympathetic nerves. 
B) a vagally induced peripheral vasodilation. 
C) caused by parasympathomimetic drugs. 
D) caused by sympatholytic drugs.

Question 19

Which neurotransmitter is secreted by a cholinergic fiber?

Accepted Answer

A) Adrenaline 
B) Epinephrine 
C) Acetylcholine 
D) Norepinephrine 
A) Adrenaline 
B) Epinephrine 
C) Acetylcholine 
D) Norepinephrine

Question 20

A patient has vagally induced bradycardia (slow heart rate).Which of the following will relieve the bradycardia?

Accepted Answer

A) Muscarinic antagonist 
B) Beta₁-adrenergic blocker 
C) Vagomimetic drug 
D) Alpha1-adrenergic agonist 
A) Muscarinic antagonist 
B) Beta₁-adrenergic blocker 
C) Vagomimetic drug 
D) Alpha1-adrenergic agonist

Exam 12: Autonomic Nervous System

Which of the following is least associated with monoamine oxidase (MAO)?

Increased heart rate,increased blood pressure,bronchodilation,diaphoresis,and pupillary dilation (mydriasis) are consequences of

A beta₁-adrenergic agonist

Muscarinic receptors are

Which of the following is true of the preganglionic fibers of both the sympathetic and parasympathetic nervous systems? Both

Alpha and beta receptors are

Vagal discharge activates

Which of the following is an adrenergic fiber?

Which of the following is an effect of postganglionic parasympathetic discharge?

Which of the following is least descriptive of thoracolumbar outflow?

What is another term for thoracolumbar outflow?

Which of the following is characteristic of the parasympathetic nervous system?

Which of the following is most related to the "feed-and-breed" system?

Which group is incorrect?

Which of the following is most related to the postganglionic sympathetics?

The effects of adrenal medullary secretion most resemble

Atropine is classified as a muscarinic antagonist or blocker and therefore is

Vasomotor tone is

Which neurotransmitter is secreted by a cholinergic fiber?

A patient has vagally induced bradycardia (slow heart rate).Which of the following will relieve the bradycardia?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters