Question 1

Sympathetic stimulation of an organ ALWAYS opposes the effects of parasympathetic stimulation.

Accepted Answer

A) True 
 B)False

Question 2

The ____________________ can control autonomic function such that under some emotional states,autonomically controlled visceral reactions like blushing,fainting,etc. ,can occur.

Accepted Answer

A)  reticular activating system
B)  medulla oblongata
C)  limbic system
D)  cerebrum

Question 3

Which of the following is NOT an example of the cooperative effects of the sympathetic and parasympathetic divisions of the ANS?

Accepted Answer

A)  micturition
B)  male sexual function
C)  saliva production
D)  sweating

Question 4

The major regulatory center of the autonomic system is,according to many scientists,the ______________ since this brain region has functions,such as control of body temperature,that require appropriate activation of sympathetic and parasympathetic nerves.

Accepted Answer

A)  hypothalamus
B)  thalamus
C)  midbrain
D)  cerebrum

Question 5

Cutaneous effectors such as blood vessels,sweat glands,and errector pili muscles are innervated by

Accepted Answer

A)  only parasympathetic nerves.
B)  only sympathetic nerves.
C)  both parasympathetic and sympathetic nerves.
D)  both parasympathetic and somatic nerves.

Question 6

Which autonomic division is dominant in normal body functions such as digestion?

Accepted Answer

A)  sympathetic
B)  parasympathetic

Question 7

It is impossible to consciously control autonomic activities.

Accepted Answer

A) True 
 B)False

Question 8

Where do autonomic postganglionic neurons originate?

Accepted Answer

A)  hindbrain
B)  gray matter of spinal cord
C)  peripheral ganglia
D)  All apply.

Question 9

Heart rate is increased in response to sympathetic stimulation.

Accepted Answer

A) True 
 B)False

Question 10

Which organ receives only sympathetic innervation?

Accepted Answer

A)  the adrenal medulla
B)  arrector pili muscles in the skin
C)  most blood vessels
D)  All apply.

Question 11

Dopamine,norepinephrine,and epinephrine are all molecules of the catecholamine family.

Accepted Answer

A) True 
 B)False

Question 12

The adrenal medulla is a modified sympathetic ganglion that secretes epinephrine when stimulated by sympathetic preganglionic neurons.

Accepted Answer

A) True 
 B)False

Question 13

The autonomic nervous system

Accepted Answer

A)  innervates skeletal muscle.
B)  is not usually under conscious control.
C)  is always excitatory.
D)  has a single nerve extending from the spinal corD.

Question 14

Neurotransmitter release in the autonomic nervous system is always inhibitory.

Accepted Answer

A) True 
 B)False

Question 15

Autonomic motor pathways utilize two neurons while somatic motor pathways utilize one neuron.

Accepted Answer

A) True 
 B)False

Question 16

The parasympathetic division of the autonomic nervous system

Accepted Answer

A)  has long postganglionic neurons.
B)  has a single neuron arising from the spinal cord.
C)  has relatively short preganglionic neurons.
D)  has terminal ganglia embedded in the visceral effectors.

Question 17

Blocking 2-adrenergic receptors prevents airway

Accepted Answer

A)  constriction.
B)  dilation.

Question 18

Somatic motor neurons have a direct connection between the CNS and their effector organs while ______________ motor neurons must synapse on with a peripheral neuron before reaching their effectors.

Accepted Answer

A)  skeletal
B)  sensory
C)  autonomic
D)  Both skeletal and autonomic are correct.

Question 19

The parasympathetic division of the autonomic nervous system

Accepted Answer

A)  utilizes norepinephrine as a postganglionic neurotransmitter.
B)  has a relatively short preganglionic neuron.
C)  utilizes acetylcholine as a preganglionic neurotransmitter.
D)  includes the adrenal medulla.

Question 20

Autonomic motor neurons leaving the spinal cord synapse once prior to synapsing with the target organ.

Accepted Answer

A) True 
 B)False

Exam 9: The Autonomic Nervous System

Autonomic motor neurons leaving the spinal cord synapse once prior to synapsing with the target organ.

Correct AnswerverifiedShow Answer

It is impossible to consciously control autonomic activities.

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The parasympathetic division of the autonomic nervous system

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Somatic motor neurons have a direct connection between the CNS and their effector organs while ______________ motor neurons must synapse on with a peripheral neuron before reaching their effectors.

Correct AnswerverifiedShow Answer

The autonomic nervous system

Correct AnswerverifiedShow Answer

Which organ receives only sympathetic innervation?

Correct AnswerverifiedShow Answer

The parasympathetic division of the autonomic nervous system

Correct AnswerverifiedShow Answer

Autonomic motor pathways utilize two neurons while somatic motor pathways utilize one neuron.

Correct AnswerverifiedShow Answer

Blocking 2-adrenergic receptors prevents airway

Correct AnswerverifiedShow Answer

The ____________________ can control autonomic function such that under some emotional states,autonomically controlled visceral reactions like blushing,fainting,etc. ,can occur.

Correct AnswerverifiedShow Answer

Which autonomic division is dominant in normal body functions such as digestion?

Correct AnswerverifiedShow Answer

Dopamine,norepinephrine,and epinephrine are all molecules of the catecholamine family.

Correct AnswerverifiedShow Answer

Which of the following is NOT an example of the cooperative effects of the sympathetic and parasympathetic divisions of the ANS?

Correct AnswerverifiedShow Answer

The adrenal medulla is a modified sympathetic ganglion that secretes epinephrine when stimulated by sympathetic preganglionic neurons.

Correct AnswerverifiedShow Answer

The major regulatory center of the autonomic system is,according to many scientists,the ______________ since this brain region has functions,such as control of body temperature,that require appropriate activation of sympathetic and parasympathetic nerves.

Correct AnswerverifiedShow Answer

Neurotransmitter release in the autonomic nervous system is always inhibitory.

Correct AnswerverifiedShow Answer

Cutaneous effectors such as blood vessels,sweat glands,and errector pili muscles are innervated by

Correct AnswerverifiedShow Answer

Where do autonomic postganglionic neurons originate?

Correct AnswerverifiedShow Answer

Sympathetic stimulation of an organ ALWAYS opposes the effects of parasympathetic stimulation.

Correct AnswerverifiedShow Answer

Heart rate is increased in response to sympathetic stimulation.

Correct AnswerverifiedShow Answer

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Blocking ₂-adrenergic receptors prevents airway

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