Question 1

Acetylcholine (ACh)always has an excitatory effect.

Accepted Answer

A) True 
 B)False

Question 2

The autonomic effect on a target cell depends only on the neurotransmitter reaching that target cell.

Accepted Answer

A) True 
 B)False

Question 3

The motor pathway of the autonomic nervous system usually involves __________ neurons.

Accepted Answer

A)  no
B)  one
C)  two
D)  three
E)  fourF) B) and C)
G) A) and C)

Question 4

Sympathetic fibers do not release __________.

Accepted Answer

A)  acetylcholine
B)  nitric oxide (NO) 
C)  substance P
D)  neuropeptide Y
E)  norepinephrineF) A) and E)
G) A) and D)

Question 5

Which of the following is not a feature of the sympathetic division of the ANS?

Accepted Answer

A)  It originates in the thoracolumbar region of the spinal cord.
B)  It has long postganglionic fibers.
C)  It has long preganglionic fibers.
D)  Its ganglia are adjacent to the spinal column.
E)  It has an extensive neural divergence and a relative widespread effect.F) None of the above
G) C) and E)

Question 6

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) None of the above
G) A) and E)

Question 7

Preganglionic fibers run from the _________ to the __________.

Accepted Answer

A)  posterior root ganglia; gray matter
B)  posterior root ganglia; autonomic ganglia
C)  gray matter; posterior root ganglia
D)  gray matter; autonomic ganglia
E)  autonomic ganglia; visceral effectorsF) A) and E)
G) All of the above

Question 8

Sympathetic nerve fibers are not associated with situations involving __________.

Accepted Answer

A)  anger
B)  digestion
C)  exercise
D)  stress
E)  arousalF) None of the above
G) A) and B)

Question 9

__________ nerve(s) pass(es) throughout sympathetic ganglia without synapsing.

Accepted Answer

A)  Facial
B)  Trigeminal
C)  Vagus
D)  Celiac
E)  SplanchnicF) A) and C)
G) D) and E)

Question 10

Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?

Accepted Answer

A)  The effector pathway in the somatic reflex arc is myelinated.
B)  The effector pathway in the visceral reflex arc involves more neurons.
C)  The effector pathway in the visceral reflex arc involves more chemical synapses.
D)  Some of the neurons in the effector pathway in the visceral reflex arc are unmyelinated.
E)  The effector organs in the somatic reflex are closer to the spinal cord.F) None of the above
G) B) and C)

Question 11

Preganglionic fibers of the autonomic efferent pathway are _________ and secrete __________.

Accepted Answer

A)  myelinated; norepinephrine (N
E)  
B)  myelinated; acetylcholine (ACh) 
C)  myelinated; acetylcholine (ACh)  and norepinephrine(N
E)  
D)  unmyelinated; acetylcholine (ACh) 
E)  unmyelinated; norepinephrine(N
E)  F) All of the above
G) A) and E)

Question 12

The effect of autonomic fibers on target cells is _________.The effect of somatic fibers on target cells is __________.

Accepted Answer

A)  always excitatory; always excitatory
B)  excitatory or inhibitory; always excitatory
C)  excitatory or inhibitory; excitatory or inhibitory
D)  always inhibitory; excitatory or inhibitory
E)  always inhibitory; always excitatoryF) B) and C)
G) A) and D)

Question 13

The autonomic nervous system controls all of the following except the __________.

Accepted Answer

A)  adrenal gland
B)  smooth muscle in the walls of the aorta
C)  cardiac muscle in the right atrium
D)  skeletal muscle in the rectus abdominis
E)  parotid salivary glandF) B) and C)
G) A) and B)

Question 14

Which of the following is true regarding the autonomic nervous system?

Accepted Answer

A)  It controls skeletal muscle contraction.
B)  It has no ganglia along its nerves.
C)  It uses the neurotransmitter acetylcholine exclusively.
D)  Its denervation would cause hypersensitivity.
E)  It usually controls conscious actions.F) A) and B)
G) C) and D)

Question 15

If a cell has  α\alphaα 1 adrenergic receptors,it is sensitive to __________.

Accepted Answer

A)  acetylcholine (ACh) 
B)  norepinephrine (N
E)  
C)  adrenaline
D)  alpha adrenaline
E)  nicotine F) D) and E)
G) A) and B)

Question 16

The solar plexus is used as a name for the __________.

Accepted Answer

A)  spinal nerve route
B)  carotid plexus
C)  the celiac and mesenteric ganglia
D)  splanchic nerves
E)  sympathetic nerve routeF) D) and E)
G) A) and B)

Question 17

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\betaβ -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 B)
G) A) and C)

Question 18

The background rate of sympathetic and parasympathetic activity is called ___________.

Accepted Answer

A)  "fight-or-flight" activity
B)  visceral motor activity
C)  autonomic reflex arc activity
D)  visceral tone
E)  autonomic toneF) B) and E)
G) A) and B)

Question 19

Most autonomic efferent pathways involve one neuron.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is associated with the "flight-or-fight" reaction?

Accepted Answer

A)  Pupillary constriction
B)  Glycogen synthesis
C)  Increased gastric motility
D)  Reduced urinary output
E)  Reduced heart rateF) A) and E)
G) B) and E)

Exam 15: The Autonomic Nervous System and Visceral Reflexes

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

Correct AnswerverifiedShow Answer

The autonomic effect on a target cell depends only on the neurotransmitter reaching that target cell.

Correct AnswerverifiedShow Answer

Sympathetic fibers do not release __________.

Correct AnswerverifiedShow Answer

Which of the following is not a feature of the sympathetic division of the ANS?

Correct AnswerverifiedShow Answer

If a cell has α\alphaα 1 adrenergic receptors,it is sensitive to __________.

Correct AnswerverifiedShow Answer

Preganglionic fibers of the autonomic efferent pathway are _________ and secrete __________.

Correct AnswerverifiedShow Answer

Most autonomic efferent pathways involve one neuron.

Correct AnswerverifiedShow Answer

The motor pathway of the autonomic nervous system usually involves __________ neurons.

Correct AnswerverifiedShow Answer

The solar plexus is used as a name for the __________.

Correct AnswerverifiedShow Answer

Sympathetic nerve fibers are not associated with situations involving __________.

Correct AnswerverifiedShow Answer

__________ nerve(s) pass(es) throughout sympathetic ganglia without synapsing.

Correct AnswerverifiedShow Answer

The effect of autonomic fibers on target cells is _________.The effect of somatic fibers on target cells is __________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The autonomic nervous system controls all of the following except the __________.

Correct AnswerverifiedShow Answer

Preganglionic fibers run from the _________ to the __________.

Correct AnswerverifiedShow Answer

Acetylcholine (ACh)always has an excitatory effect.

Correct AnswerverifiedShow Answer

The background rate of sympathetic and parasympathetic activity is called ___________.

Correct AnswerverifiedShow Answer

Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?

Correct AnswerverifiedShow Answer

Which of the following is associated with the "flight-or-fight" reaction?

Correct AnswerverifiedShow Answer

Which of the following is true regarding the autonomic nervous system?

Correct AnswerverifiedShow Answer

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If a cell has $\alpha$ ₁ adrenergic receptors,it is sensitive to __________.

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Preganglionic fibers of the autonomic efferent pathway are _ and secrete __.

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The effect of autonomic fibers on target cells is _.The effect of somatic fibers on target cells is __.

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Preganglionic fibers run from the _ to the __.

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