Question 1

Drugs that are monoamine oxidase (MAO)  inhibitors would most likely

Accepted Answer

A)  activate the parasympathetic division and allow for normal digestive system activities.
B)  block ACh receptors on skeletal muscle and cause flaccid paralysis.
C)  stimulate β-2 receptors and cause an increase in heart rate and dilation of bronchioles.
D)  decrease the amount of NE destroyed and may be used as an antidepressant.
E)  inhibit uptake of dopamine and cause depression.F) A) and C)
G) A) and D)

Question 2

All autonomic output originates in the central nervous system.

Accepted Answer

A) True 
 B)False

Question 3

These are all characteristics of the enteric nervous systems except

Accepted Answer

A)  its reflex arcs are associated with the spinal cord.
B)  it does not arise from the spinal cord.
C)  it innervates smooth muscle.
D)  it innervates glands.
E)  it does not arise from the brainstem.F) D) and E)
G) A) and B)

Question 4

Antagonistic effects of the two divisions of the autonomic nervous system are exemplified in the control of

Accepted Answer

A)  blood clotting.
B)  blood flow to the skeletal muscles.
C)  sweating.
D)  hair erection.
E)  gastrointestinal motility.F) A) and B)
G) None of the above

Question 5

These are all characteristics of the parasympathetic division except

Accepted Answer

A)  its effects are local.
B)  the terminal ganglia are very close to or within their target organs.
C)  it originates in the craniosacral regions of the CNS.
D)  it has short preganglionic fibers.
E)  it has short postganglionic fibers.F) B) and E)
G) A) and B)

Question 6

The is an especially important center of autonomic control.

Accepted Answer

A)  pons
B)  medulla oblongata
C)  hypothalamus
D)  midbrain
E)  pituitary glandF) A) and D)
G) B) and E)

Question 7

Which nerve(s)  carries the most parasympathetic fibers?

Accepted Answer

A)  spinal nerves
B)  pelvic splanchnic nerves
C)  nerves of the abdominal aortic plexus
D)  vagus nerve (CN X) 
E)  facial nerve (CN VII) F) D) and E)
G) B) and C)

Question 8

The neurotransmitter(s)  associated with autonomic ganglia is(are)

Accepted Answer

A)  norepinephrine (N
E)  .
B)  acetylcholine (ACh)  and norepinephrine (N
E)  .
C)  acetylcholine (ACh) .
D)  dopamine.
E)  dopamine and norepinephrine (N
E)  .F) A) and B)
G) B) and E)

Question 9

Sympathetic nerve fibers are not associated with situations involving

Accepted Answer

A)  anger.
B)  digestion.
C)  exercise.
D)  stress.
E)  arousal.F) All of the above
G) A) and D)

Question 10

This figure shows the neural pathway through the autonomic nervous system.What structure(s)  is(are)  not associated with the autonomic nervous system?

Accepted Answer

A)  3
B)  2 and 3
C)  1 and 6
D)  2
E)  7F) D) and E)
G) A) and E)

Question 11

Propranolol, a beta-blocker, is typically used to

Accepted Answer

A)  increase heart rate.
B)  decrease heart rate.
C)  produce vasoconstriction of the coronary arteries.
D)  produce vasodilation of blood vessels of skeletal muscle.
E)  produce bronchodilation.F) C) and D)
G) B) and D)

Question 12

Autonomic function receives input from all these except

Accepted Answer

A)  spinal cord.
B)  cerebral cortex.
C)  hypothalamus.
D)  medulla oblongata.
E)  somatic branch of the peripheral nervous system.F) C) and D)
G) A) and E)

Question 13

Atropine is sometimes used to dilate the pupil for eye examination.Which receptor would atropine block?

Accepted Answer

A)  alpha 1 adrenergic receptor
B)  nicotinic receptor
C)  muscarinic receptor
D)  alpha 2 adrenergic receptor
E)  beta receptorF) All of the above
G) A) and B)

Question 14

In response to high blood pressure, stretch receptors called in the walls of arteries carrying blood to the head will trigger a reflex that causes the heart to its beats per minute.

Accepted Answer

A)  baroreceptors; decrease
B)  proprioceptors; decrease
C)  baroreceptors; increase
D)  proprioceptors; increase
E)  chemoreceptors; increaseF) A) and B)
G) A) and C)

Question 15

This enzyme breaks down norepinephrine (NE) .

Accepted Answer

A)  noradrenalinase
B)  adenosine
C)  monoamine oxidase (MAO) 
D)  norepinephrinase
E)  catchol-O-methyltrasferase (COMT) F) D) and E)
G) A) and D)

Question 16

is an example of the cooperative effect between the two autonomic nervous system divisions.

Accepted Answer

A)  Orgasm
B)  Bronchodilation
C)  Gastrointestinal secretion
D)  Heart rate
E)  Vasomotor toneF) A) and D)
G) B) and E)

Question 17

All of the following are under dual control of the ANS except

Accepted Answer

A)  pupil diameter.
B)  heart rate.
C)  salivary gland activity.
D)  adrenal medulla activity.
E)  gastrointestinal motility.F) C) and D)
G) A) and E)

Question 18

Most preganglionic fibers synapse with postganglionic fibers in the dorsal root ganglia.

Accepted Answer

A) True 
 B)False

Question 19

Preganglionic fibers run from

Accepted Answer

A)  posterior root ganglia to gray matter.
B)  posterior root ganglia to autonomic ganglia.
C)  gray matter to posterior root ganglia.
D)  gray matter to autonomic ganglia.
E)  autonomic ganglia to visceral effectors.F) A) and B)
G) All of the above

Question 20

Both divisions of the autonomic nervous system are normally active simultaneously.

Accepted Answer

A) True 
 B)False

Exam 15: The Autonomic Nervous System and Visceral Reflexes

This enzyme breaks down norepinephrine (NE) .

Correct AnswerverifiedShow Answer

All autonomic output originates in the central nervous system.

Correct AnswerverifiedShow Answer

The neurotransmitter(s) associated with autonomic ganglia is(are)

Correct AnswerverifiedShow Answer

All of the following are under dual control of the ANS except

Correct AnswerverifiedShow Answer

is an example of the cooperative effect between the two autonomic nervous system divisions.

Correct AnswerverifiedShow Answer

Preganglionic fibers run from

Correct AnswerverifiedShow Answer

Which nerve(s) carries the most parasympathetic fibers?

Correct AnswerverifiedShow Answer

Autonomic function receives input from all these except

Correct AnswerverifiedShow Answer

Drugs that are monoamine oxidase (MAO) inhibitors would most likely

Correct AnswerverifiedShow Answer

These are all characteristics of the enteric nervous systems except

Correct AnswerverifiedShow Answer

The is an especially important center of autonomic control.

Correct AnswerverifiedShow Answer

Both divisions of the autonomic nervous system are normally active simultaneously.

Correct AnswerverifiedShow Answer

Sympathetic nerve fibers are not associated with situations involving

Correct AnswerverifiedShow Answer

Atropine is sometimes used to dilate the pupil for eye examination.Which receptor would atropine block?

Correct AnswerverifiedShow Answer

These are all characteristics of the parasympathetic division except

Correct AnswerverifiedShow Answer

Most preganglionic fibers synapse with postganglionic fibers in the dorsal root ganglia.

Correct AnswerverifiedShow Answer

Propranolol, a beta-blocker, is typically used to

Correct AnswerverifiedShow Answer

This figure shows the neural pathway through the autonomic nervous system.What structure(s) is(are) not associated with the autonomic nervous system?

Correct AnswerverifiedShow Answer

Antagonistic effects of the two divisions of the autonomic nervous system are exemplified in the control of

Correct AnswerverifiedShow Answer

In response to high blood pressure, stretch receptors called in the walls of arteries carrying blood to the head will trigger a reflex that causes the heart to its beats per minute.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified