Question 1

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. 
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.

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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. 
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.

Question 4

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. 
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.

Question 5

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. 
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.

Question 6

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

Question 7

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. 
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.

Question 8

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 9

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

Question 10

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

Question 11

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. 
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.

Question 12

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. 
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.

Exam 17: Nervous System

Administration of norepinephrine would

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

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

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

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

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

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

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

Which of the following drugs is a powerful CNS stimulant?

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?

In an action potential, depolarization occurs when

The primary functions of the spinal cord involve

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