Question 1

John sees Martha; the pupils of his eyes dilate. It is "love at first sight." What division(s)  of the ANS is/are involved?

Accepted Answer

A)   Sympathetic division
B)   Parasympathetic division
C)   Somatic motor division
D)   Both "Sympathetic division" and "Parasympathetic division" are correct.E) B) and C)
F) All of the above

Question 2

The short connection between a spinal nerve and a sympathetic chain ganglion through which preganglionic neurons pass is called the ________.

Accepted Answer

A)   white ramus communicans
B)   gray ramus communicans
C)   splanchnic nerve
D)   terminal ganglia
E)   pink ramus communicansF) A) and C)
G) B) and E)

Question 3

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-Effects are short-lived

Accepted Answer

A)   Sympathetic
B)   ParasympatheticC) A) and B)
D) undefined

Question 4

Consider the two statements and use the following key to choose your answer.
-(1)  Rate of muscle contraction when beta adrenergic receptors of the heart are stimulated
(2)  Rate of muscle contraction when beta adrenergic receptors of intestinal muscle are stimulated

Accepted Answer

A)  First item is greater than the second item.
B)  First item is less than the second item.
C)  Both items are equal or nearly equal.D) All of the above
E) A) and C)

Question 5

The parasympathetic nervous system is characterized by

Accepted Answer

A)   the absence of preganglionic fibers.
B)   the absence of postganglionic axons.
C)   short postganglionic axons near the organs they innervate.
D)   short preganglionic axons near the spinal cord.
E)   long postganglionic axons.F) D) and E)
G) All of the above

Question 6

Which of the following is NOT a parasympathetic effect?

Accepted Answer

A)   Constriction of the pupils of the eye
B)   Contraction of the urinary bladder
C)   Decreased heart rate
D)   Dilation of the bronchioles in the lungs
E)   Increased gastric secretionsF) A) and C)
G) A) and E)

Question 7

Sympathetic preganglionic axons

Accepted Answer

A)   can synapse in terminal ganglia.
B)   must synapse in parasympathetic ganglia.
C)   can synapse with cells in the adrenal cortex.
D)   can synapse in the dorsal root ganglion.
E)   can synapse in either chain or collateral ganglia.F) A) and E)
G) C) and D)

Question 8

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-Inhibits heart rate but stimulates contraction of urinary bladder

Accepted Answer

A)   Sympathetic
B)   ParasympatheticC) A) and B)
D) undefined

Question 9

Sally has just heard a strange noise in her basement. Which of the following is an example of normal autonomic nervous system function during this type of situation?

Accepted Answer

A)   Sally's heart rate increases preparing for possible activity.
B)   Sally's heart rate decreases to allow her to hear the noise better.
C)   Sally's breathing becomes slower to allow for better gas exchange.
D)   Sally's muscle tone increases as she becomes paralyzed with fear.E) A) and B)
F) C) and D)

Question 10

Which of the following statements is false?

Accepted Answer

A)   Both divisions of the ANS can produce stimulatory effects.
B)   Both divisions cooperate to achieve normal reproductive function.
C)   Structures receiving dual innervation by the ANS are regulated equally by both divisions.
D)   The sympathetic division has more influence under conditions of physical activity than does the parasympathetic division.
E)   Dual innervation of organs by both divisions of the ANS is not universal.F) B) and C)
G) A) and B)

Question 11

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-Fight-or-flight response

Accepted Answer

A)   Sympathetic
B)   ParasympatheticC) A) and B)
D) undefined

Question 12

Match the characteristic with the correct division of the nervous system.
-All axons are myelinated

Accepted Answer

A)   Somatic motor nervous system
B)   Autonomic nervous system
C)   Both somatic and autonomic nervous systems
D)   Neither somatic nor autonomic nervous systemE) None of the above
F) A) and B)

Question 13

The two divisions of the ANS have antagonistic effects on each of the following EXCEPT

Accepted Answer

A)   the diameter of the blood vessels in skeletal muscles
B)   the diameter of bronchioles in the lungs
C)   gastrointestinal peristalsis
D)   heart rate
E)   the eyeF) All of the above
G) B) and D)

Question 14

Atropine causes the pupil of the eye to dilate by blocking the effect of muscarinic receptors. This means atropine is a/an

Accepted Answer

A)   ganglionic blocking agent.
B)   beta-adrenergic blocking agent.
C)   alpha-adrenergic blocking agent.
D)   parasympathetic blocking agent.
E)   parasympathomimetic agents.F) A) and C)
G) B) and E)

Question 15

Axons exit the sympathetic chain ganglia by all of the following except

Accepted Answer

A)   spinal nerves.
B)   cranial nerves.
C)   splanchnic nerves.
D)   sympathetic nerves.
E)   nerves that innervate the adrenal medulla.F) C) and D)
G) A) and E)

Question 16

Consider the two statements and use the following key to choose your answer.
-(1)  The frequency of sympathetic impulses to the heart when blood pressure increases
(2)  The frequency of sympathetic impulses to the heart when blood pressure decrease

Accepted Answer

A)  First item is greater than the second item.
B)  First item is less than the second item.
C)  Both items are equal or nearly equal.D) A) and B)
E) A) and C)

Question 17

Which type of reflex operates independently of the CNS?

Accepted Answer

A)   Distal reflex
B)   Voluntary reflex
C)   Local reflex
D)   Conscious reflexE) A) and D)
F) A) and B)

Question 18

In the sympathetic division of the ANS,

Accepted Answer

A)   an important characteristic is convergence of neurons.
B)   preganglionic fibers are generally longer than postganglionic fibers.
C)   the preganglionic cell body is located in the lateral horn of the spinal cord.
D)   a single preganglionic fiber usually synapses with a single postganglionic fiber.
E)   preganglionic fibers emerge from the cervical portion of the spinal cord.F) A) and B)
G) A) and C)

Question 19

When a person consumes a substantial amount of nicotine, the response ________.

Accepted Answer

A)   increases parasympathetic responses
B)   increases sympathetic responses
C)   decreases parasympathetic responses
D)   decreases sympathetic responses
E)   Both "increases parasympathetic responses" and "increases sympathetic responses" are correctF) B) and D)
G) A) and D)

Question 20

Efferent neurons of the

Accepted Answer

A)   somatic motor nerves innervate smooth muscle.
B)   ANS innervate skeletal muscle.
C)   somatic motor nerves connect skeletal muscles to the chain ganglia of the spinal cord.
D)   ANS utilize one neuron to connect the CNS to the effector organ.
E)   ANS utilize two neurons in series to connect the CNS to the effector.F) B) and D)
G) B) and E)

Exam 16: Autonomic Nervous System

Axons exit the sympathetic chain ganglia by all of the following except

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Which of the following is NOT a parasympathetic effect?

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The two divisions of the ANS have antagonistic effects on each of the following EXCEPT

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When a person consumes a substantial amount of nicotine, the response ________.

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Which type of reflex operates independently of the CNS?

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Efferent neurons of the

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Which of the following statements is false?

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Match the characteristic with the correct division of the nervous system. -All axons are myelinated

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The short connection between a spinal nerve and a sympathetic chain ganglion through which preganglionic neurons pass is called the ________.

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Atropine causes the pupil of the eye to dilate by blocking the effect of muscarinic receptors. This means atropine is a/an

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The parasympathetic nervous system is characterized by

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In the sympathetic division of the ANS,

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -Inhibits heart rate but stimulates contraction of urinary bladder

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Sympathetic preganglionic axons

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Sally has just heard a strange noise in her basement. Which of the following is an example of normal autonomic nervous system function during this type of situation?

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Consider the two statements and use the following key to choose your answer. -(1) The frequency of sympathetic impulses to the heart when blood pressure increases (2) The frequency of sympathetic impulses to the heart when blood pressure decrease

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John sees Martha; the pupils of his eyes dilate. It is "love at first sight." What division(s) of the ANS is/are involved?

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -Effects are short-lived

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -Fight-or-flight response

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Consider the two statements and use the following key to choose your answer. -(1) Rate of muscle contraction when beta adrenergic receptors of the heart are stimulated (2) Rate of muscle contraction when beta adrenergic receptors of intestinal muscle are stimulated

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