Question 1

Which of these is/are true of the autonomic nervous system? Check all that apply.

Accepted Answer

A)   It regulates the activity of cardiac and smooth muscle and glands.
B)   It is composed of sympathetic and parasympathetic systems.
C)   It is composed only of fibers that have an inhibitory function on various organs of the body.
D)   It utilizes two motor neurons that synapse at a ganglion.
E)   It functions in both a voluntary and involuntary manner.F) A) and D)
G) All of the above

Question 2

Which of the following is a long-term effect of heroin use?

Accepted Answer

A)   The body decreases the production of endorphins.
B)   The body increases the production of endorphins.
C)   a decrease in dopamine production
D)   a release of excess dopamine
E)   All of the answer choices are long-term side effects of heroin use.F) B) and E)
G) A) and D)

Question 3

The primary functions of the spinal cord involve

Accepted Answer

A)   intelligence and memory.
B)   speech, taste, smell, vision, and hearing.
C)   reflex actions and communication between the brain and peripheral nerves.
D)   controlling muscle activity and maintaining balance.
E)   local control and decision making for local anatomy.F) All of the above
G) D) and E)

Question 4

Administration of norepinephrine would

Accepted Answer

A)   dilate the bronchi and increase oxygen for blood.
B)   slow heartbeat.
C)   stimulate the digestive system to supply more sugar to the blood.
D)   cause the pupil of the eye to contract.
E)   promote an overall relaxed state.F) C) and E)
G) A) and B)

Question 5

How fast a person can type or play the piano is ultimately limited by the number of impulses a person can send to their finger muscles per second. This in turn is limited by

Accepted Answer

A)   primarily the type of muscle.
B)   whether the signal is pain, sound, motor, etc.
C)   the magnitude or strength of the nerve impulse.
D)   the number of neurons and synapses involved.
E)   the speed with which sodium ions can be pumped out of the axon.F) A) and E)
G) A) and D)

Question 6

Since the membrane is more permeable to K+ than to Na+,

Accepted Answer

A)   there are always more positive ions outside the membrane than inside.
B)   there are always more negative ions outside the membrane than inside.
C)   the outside of the membrane is always negative.
D)   the outside of the membrane is always neutral.
E)   there really is never a resting potential.F) A) and B)
G) C) and D)

Question 7

Patients with myasthenia gravis generally do not respond well to immunosuppressive drugs.

Accepted Answer

A) True 
 B)False

Question 8

In an action potential, depolarization occurs when

Accepted Answer

A)   sodium ions move to the inside of the axon.
B)   sodium ions move to the outside of the axon.
C)   potassium ions move to the inside of the axon.
D)   potassium ions move to the outside of the axon.
E)   chlorine ions move to the outside of the axon.F) B) and E)
G) A) and B)

Question 9

The limbic system is a separate part of the brain located behind the cerebellum on top of the brain stem.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following drugs is a powerful CNS stimulant?

Accepted Answer

A)   methamphetamine
B)   heroin
C)   marijuana
D)   alcohol
E)   All of the answer choices are powerful CNS stimulants.F) B) and C)
G) C) and E)

Question 11

Jeremy has developed a problem with regulating his waking/sleeping cycle and regulating his body temperature. Doctors suspect he may have a brain lesion. This lesion is probably located in the

Accepted Answer

A)   cerebellum.
B)   prefrontal area of the cerebrum.
C)   Broca's area of the cerebrum.
D)   pons.
E)   hypothalamus.F) B) and D)
G) A) and B)

Question 12

Which disease is associated with mild tremors in one or more limbs, abnormally high levels of glutamate in the cerebrospinal fluid, and onset between the ages of 40 and 60?

Accepted Answer

A)   amyotrophic lateral sclerosis
B)   Guillain-Barre syndrome
C)   myasthenia gravis
D)   multiple sclerosis
E)   Parkinson diseaseF) A) and B)
G) A) and C)

Exam 17: Nervous System

Which of the following is a long-term effect of heroin use?

Correct Answer
verified

How fast a person can type or play the piano is ultimately limited by the number of impulses a person can send to their finger muscles per second. This in turn is limited by

Correct Answer
verified

Which of the following drugs is a powerful CNS stimulant?

Correct Answer
verified

In an action potential, depolarization occurs when

Correct Answer
verified

Jeremy has developed a problem with regulating his waking/sleeping cycle and regulating his body temperature. Doctors suspect he may have a brain lesion. This lesion is probably located in the

Correct Answer
verified

Administration of norepinephrine would

Correct Answer
verified

Since the membrane is more permeable to K⁺ than to Na⁺,

Correct Answer
verified

Patients with myasthenia gravis generally do not respond well to immunosuppressive drugs.

Correct Answer
verified

The primary functions of the spinal cord involve

Correct Answer
verified

Which of these is/are true of the autonomic nervous system? Check all that apply.

Correct Answer
verified

Which disease is associated with mild tremors in one or more limbs, abnormally high levels of glutamate in the cerebrospinal fluid, and onset between the ages of 40 and 60?

Correct Answer
verified

The limbic system is a separate part of the brain located behind the cerebellum on top of the brain stem.

Correct Answer
verified

Exam 17: Nervous System

Which of the following is a long-term effect of heroin use?

Correct AnswerverifiedShow Answer

How fast a person can type or play the piano is ultimately limited by the number of impulses a person can send to their finger muscles per second. This in turn is limited by

Correct AnswerverifiedShow Answer

Which of the following drugs is a powerful CNS stimulant?

Correct AnswerverifiedShow Answer

In an action potential, depolarization occurs when

Correct AnswerverifiedShow Answer

Jeremy has developed a problem with regulating his waking/sleeping cycle and regulating his body temperature. Doctors suspect he may have a brain lesion. This lesion is probably located in the

Correct AnswerverifiedShow Answer

Administration of norepinephrine would

Correct AnswerverifiedShow Answer

Since the membrane is more permeable to K+ than to Na+,

Correct AnswerverifiedShow Answer

Patients with myasthenia gravis generally do not respond well to immunosuppressive drugs.

Correct AnswerverifiedShow Answer

The primary functions of the spinal cord involve

Correct AnswerverifiedShow Answer

Which of these is/are true of the autonomic nervous system? Check all that apply.

Correct AnswerverifiedShow Answer

Which disease is associated with mild tremors in one or more limbs, abnormally high levels of glutamate in the cerebrospinal fluid, and onset between the ages of 40 and 60?

Correct AnswerverifiedShow Answer

The limbic system is a separate part of the brain located behind the cerebellum on top of the brain stem.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
verified

Since the membrane is more permeable to K⁺ than to Na⁺,

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified