Question 1

Which one of the following steps occurs during the absolute refractory period?

Accepted Answer

A)   The neuron cannot generate an action potential.
B)   Sodium channels open, releasing sodium ions into the neuron, which causes potassium channels to close.
C)   Sodium channels open, which causes potassium channels to open.
D)   A nerve impulse fails to reach threshold.
E)   Potassium channels open, releasing potassium ions from the neuron; sodium channels close.F) B) and C)
G) A) and E) A

Question 2

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once.
-preganglionic motor neurons originate in the thoracic and lumbar regions of the spinal cord

Accepted Answer

A)  parasympathetic nervous system
B)  sympathetic nervous systemC) A) and B)
D) undefined

Question 3

Which one of the following activities would be facilitated by the sympathetic nervous system?

Accepted Answer

A)   increased digestion and absorption
B)   decreased respiratory rate
C)   increased blood pressure
D)   decreased heart rate
E)   increased bladder contractionF) B) and C)
G) B) and D)

Question 4

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once.
-preganglionic neurons originate in the brain or sacral region of spinal cord

Accepted Answer

A)  parasympathetic nervous system
B)  sympathetic nervous systemC) A) and B)
D) undefined

Question 5

The central nervous system is enclosed by membranes or meninges called the

Accepted Answer

A)   dura mater, alma mater, and pia mater.
B)   fore, mid, and hind meninges.
C)   dura mater, pia mater, and arachnoid.
D)   pleura, parietal, and arachnoid.
E)   glial, Schwann, and interstitial.F) A) and E)
G) B) and C)

Question 6

Reestablishment of the resting potential in a neuron following an action potential requires the activity of the sodium-potassium pump.

Accepted Answer

A) True 
 B)False

Question 7

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once.
-postganglionic neurons secrete acetylcholine

Accepted Answer

A)  parasympathetic nervous system
B)  sympathetic nervous systemC) A) and B)
D) undefined

Question 8

Control of respiratory rate, heart rate, and blood pressure is integrated through the

Accepted Answer

A)   cerebral cortex.
B)   cerebellum.
C)   thalamus.
D)   hypothalamus.
E)   medulla oblongata.F) A) and B)
G) A) and C)

Question 9

The central nervous system is composed of which of the following?

Accepted Answer

A)   brain and spinal cord
B)   autonomic nervous system and brain
C)   somatic division and autonomic division
D)   sensory division and motor division
E)   somatic division and motor divisionF) C) and D)
G) None of the above A

Question 10

Each of the following statements correctly describes an action potential EXCEPT which one?

Accepted Answer

A)   Once triggered, an action potential always looks the same in form and voltage.
B)   An action potential continues to propagate itself into the next region of an axon.
C)   Action potentials are propagated by the sodium-potassium pump.
D)   Action potentials include a depolarization phase followed by a repolarization phase.
E)   Action potentials temporarily reverse the polarization of the axon membrane.F) B) and D)
G) B) and C)

Question 11

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once.
-postganglionic neurons secrete norepinephrine

Accepted Answer

A)  parasympathetic nervous system
B)  sympathetic nervous systemC) A) and B)
D) undefined

Question 12

Because the central nervous system is so important to the proper functioning of the body, the brain is protected by the ________ and the spinal cord is protected by the ________.

Accepted Answer

The answer of Because the central nervous system is so...

Question 13

Which one of the following processes is depicted in the figure above?

Accepted Answer

A)   hyperpolarization of an axon bulb
B)   repolarization of a neuron
C)   synaptic transmission
D)   inhibition of a presynaptic neuron
E)   antagonistic effects of the parasympathetic and sympathetic nervous systemsF) None of the above
G) A) and B) C

Question 14

Which one of the following establishes and maintains the resting potential?

Accepted Answer

A)   Na+ leak channel
B)   K+ leak channel
C)   sodium-potassium pump
D)   depolarization
E)   repolarizationF) B) and C)
G) A) and B)

Question 15

Twelve pairs of ________ nerves carry nerve impulses from the brain to glands, muscles, head, neck, and abdominal and thoracic cavities.

Accepted Answer

The answer of Twelve pairs of ________ nerves carry nerve...

Question 16

The figure above shows a sagittal section through the brain. Match each labeled part (A through F) of the brain with its function.
-the most highly developed part of the brain; the corpus callosum interconnects its two sides; associated with language and conscious thought

Accepted Answer

The answer of  The figure above shows a sagittal...

Question 17

Both voluntary and involuntary skeletal muscle movement are controlled through which one of the following divisions of the nervous system?

Accepted Answer

A)   sensory division
B)   sympathetic division
C)   parasympathetic division
D)   somatic division
E)   endocrine divisionF) A) and D)
G) A) and B)

Question 18

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once.
-its effect is to prepare the body for emergencies

Accepted Answer

A)  parasympathetic nervous system
B)  sympathetic nervous systemC) A) and B)
D) undefined

Question 19

Match the following types of neurons with their descriptions.
-transmit impulses toward the central nervous system

Accepted Answer

A)  motor neurons
B)  sensory neurons
C)  interneuronsD) All of the above
E) B) and C)

Question 20

Which one of the following parts of the brain effectively links the nervous system and the endocrine system?

Accepted Answer

A)   medulla oblongata
B)   cerebral cortex
C)   corpus callosum
D)   hypothalamus
E)   cerebellumF) D) and E)
G) B) and E)

Exam 11: The Nervous System: Integration and Control

Which one of the following steps occurs during the absolute refractory period?

Correct AnswerverifiedA

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once. -preganglionic motor neurons originate in the thoracic and lumbar regions of the spinal cord

Correct AnswerverifiedShow Answer

Which one of the following activities would be facilitated by the sympathetic nervous system?

Correct AnswerverifiedShow Answer

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once. -preganglionic neurons originate in the brain or sacral region of spinal cord

Correct AnswerverifiedShow Answer

The central nervous system is enclosed by membranes or meninges called the

Correct AnswerverifiedShow Answer

Reestablishment of the resting potential in a neuron following an action potential requires the activity of the sodium-potassium pump.

Correct AnswerverifiedShow Answer

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once. -postganglionic neurons secrete acetylcholine

Correct AnswerverifiedShow Answer

Control of respiratory rate, heart rate, and blood pressure is integrated through the

Correct AnswerverifiedShow Answer

The central nervous system is composed of which of the following?

Correct AnswerverifiedA

Each of the following statements correctly describes an action potential EXCEPT which one?

Correct AnswerverifiedShow Answer

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once. -postganglionic neurons secrete norepinephrine

Correct AnswerverifiedShow Answer

Because the central nervous system is so important to the proper functioning of the body, the brain is protected by the ________ and the spinal cord is protected by the ________.

Correct AnswerverifiedShow Answer

Which one of the following processes is depicted in the figure above?

Correct AnswerverifiedC

Which one of the following establishes and maintains the resting potential?

Correct AnswerverifiedShow Answer

Twelve pairs of ________ nerves carry nerve impulses from the brain to glands, muscles, head, neck, and abdominal and thoracic cavities.

Correct AnswerverifiedShow Answer

The figure above shows a sagittal section through the brain. Match each labeled part (A through F) of the brain with its function. -the most highly developed part of the brain; the corpus callosum interconnects its two sides; associated with language and conscious thought

Correct AnswerverifiedShow Answer

Both voluntary and involuntary skeletal muscle movement are controlled through which one of the following divisions of the nervous system?

Correct AnswerverifiedShow Answer

Determine whether each of the following descriptions is characteristic of the parasympathetic division or the sympathetic division of the autonomic nervous system. Answers may be used more than once. -its effect is to prepare the body for emergencies

Correct AnswerverifiedShow Answer

Match the following types of neurons with their descriptions. -transmit impulses toward the central nervous system

Correct AnswerverifiedShow Answer

Which one of the following parts of the brain effectively links the nervous system and the endocrine system?

Correct AnswerverifiedShow Answer

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Because the central nervous system is so important to the proper functioning of the body, the brain is protected by the and the spinal cord is protected by the .

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