Question 1

Transmitting an impulse from one neuron to another involves a(n)

Accepted Answer

A)  impulse stimulating presynaptic dendrites to release a neurotransmitter into a synaptic cleft.
B)  impulse stimulating a presynaptic axon to release a neurotransmitter into a synaptic cleft.
C)  neurotransmitter traveling from presynaptic dendrites across a synapse to postsynaptic axons or a cell body.
D)  neurotransmitter traveling from postsynaptic axons across a synapse to presynaptic dendrites or a cell body.E) A) and C)
F) C) and D)

Question 2

Which of the following is(are) a type of neuroglia?

Accepted Answer

A)  Astrocyte
B)  Oligodendrocyte
C)  Schwann cell
D)  All of the aboveE) B) and C)
F) A) and D)

Question 3

Axon branches are called collaterals.

Accepted Answer

A) True 
 B)False

Question 4

A series of similar stimuli that increases change in local membrane potential is called _______.

Accepted Answer

The answer of A series of similar stimuli that increases...

Question 5

Sensory receptors

Accepted Answer

A)  monitor light
B)  monitor sound.
C)  detect changes in and outside the body.
D)  all of the above.E) None of the above
F) A) and B)

Question 6

The cells in the nervous system that fill spaces and support neurons both physically and nutritionally are called ______.

Accepted Answer

The answer of The cells in the nervous system that...

Question 7

An excitatory postsynaptic potential lasts for about

Accepted Answer

A)  15 minutes.
B)  15 seconds.
C)  15 milliseconds.
D)  15 microseconds.E) B) and D)
F) A) and B)

Question 8

In reuptake

Accepted Answer

A)  an action potential reverses direction.
B)  a neuropeptide breaks down into amino acids,which act as neurotransmitters.
C)  a neurotransmitter that has already been released into the synaptic cleft is taken back into the synaptic knob of the presynaptic neuron or into nearby neuroglia or neurons.
D)  an enzyme breaks down a neurotransmitter and then another enzyme builds it back up.E) A) and B)
F) A) and C)

Question 9

Nodes of Ranvier lie between neurons.

Accepted Answer

A) True 
 B)False

Question 10

Muscles and glands that respond to nervous stimulation are called _______.

Accepted Answer

The answer of Muscles and glands that respond to nervous...

Question 11

Three general functions of the nervous system are

Accepted Answer

A)  sensory,motor,and predictive.
B)  integrative,motor,and sensory.
C)  predictive,manipulative,and integrative.
D)  reflexive,sensory,and predictive.E) B) and C)
F) B) and D)

Question 12

The somatic nervous system controls voluntary actions and the autonomic nervous system oversees involuntary actions.

Accepted Answer

A) True 
 B)False

Question 13

Neuropeptides that affect a neuron's response to other neurotransmitters are called _______.

Accepted Answer

The answer of Neuropeptides that affect a neuron's response to...

Question 14

Convergence refers to

Accepted Answer

A)  dendrites from neurons in different parts of the nervous system contacting the same neuron.
B)  axons from neurons in different parts of the nervous system contacting the same neuron.
C)  dendrites from the same neuron touching each other.
D)  a neuroglial cell that contacts many neurons.E) B) and D)
F) None of the above

Question 15

An impulse conducted along an axon consists of a wave of ______ ______ moving away from a point of stimulation.

Accepted Answer

The answer of An impulse conducted along an axon consists...

Question 16

If a neurotransmitter hyperpolarizes a cell membrane and an action potential is less likely,the change is called ______ ______ ______.

Accepted Answer

inhibitory...

Question 17

Marjorie takes an anti-anxiety drug so that she can sleep better and remain calm enough to study effectively.She begins by taking 25 milligrams every evening,but within a month,this dose is no longer helping,so she takes two pills.After another month,this dosage is no longer effective.This is happening because

Accepted Answer

A)  her immune system is rejecting the drug.
B)  she has developed tolerance,which means that her liver can no longer metabolize the drug,so it remains active for too long.
C)  the number of receptors to which the drug binds on neurons has declined.
D)  the number of receptors to which the drug binds on neurons has increaseD.E) C) and D)
F) A) and B)

Question 18

In convergence,two or more incoming fibers contact a single neuron,whereas in divergence,impulses leaving a neuron pass into several output fibers.

Accepted Answer

A) True 
 B)False

Question 19

Enkephalins are neuropeptides.

Accepted Answer

A) True 
 B)False

Question 20

Most of the neurons in the brain and spinal cord are

Accepted Answer

A)  bipolar.
B)  unipolar
C)  multipolar.
D)  nonpolar.E) A) and B)
F) B) and C)

Exam 10: Nervous System I

Sensory receptors

Correct Answer
verified

Three general functions of the nervous system are

Correct Answer
verified

An excitatory postsynaptic potential lasts for about

Correct Answer
verified

An impulse conducted along an axon consists of a wave of moving away from a point of stimulation.

Correct Answer
verified

Convergence refers to

Correct Answer
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If a neurotransmitter hyperpolarizes a cell membrane and an action potential is less likely,the change is called __.

Correct Answer
verified
inhibitory...
View Answer

A series of similar stimuli that increases change in local membrane potential is called _______.

Correct Answer
verified

Which of the following is(are) a type of neuroglia?

Correct Answer
verified

Correct Answer
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Most of the neurons in the brain and spinal cord are

Correct Answer
verified

The cells in the nervous system that fill spaces and support neurons both physically and nutritionally are called ______.

Correct Answer
verified

Muscles and glands that respond to nervous stimulation are called _______.

Correct Answer
verified

In reuptake

Correct Answer
verified

Transmitting an impulse from one neuron to another involves a(n)

Correct Answer
verified

Enkephalins are neuropeptides.

Correct Answer
verified

Nodes of Ranvier lie between neurons.

Correct Answer
verified

Axon branches are called collaterals.

Correct Answer
verified

The somatic nervous system controls voluntary actions and the autonomic nervous system oversees involuntary actions.

Correct Answer
verified

In convergence,two or more incoming fibers contact a single neuron,whereas in divergence,impulses leaving a neuron pass into several output fibers.

Correct Answer
verified

Neuropeptides that affect a neuron's response to other neurotransmitters are called _______.

Correct Answer
verified

Exam 10: Nervous System I

Sensory receptors

Correct AnswerverifiedShow Answer

Three general functions of the nervous system are

Correct AnswerverifiedShow Answer

An excitatory postsynaptic potential lasts for about

Correct AnswerverifiedShow Answer

An impulse conducted along an axon consists of a wave of ______ ______ moving away from a point of stimulation.

Correct AnswerverifiedShow Answer

Convergence refers to

Correct AnswerverifiedShow Answer

If a neurotransmitter hyperpolarizes a cell membrane and an action potential is less likely,the change is called ______ ______ ______.

Correct Answerverifiedinhibitory...View AnswerShow Answer

A series of similar stimuli that increases change in local membrane potential is called _______.

Correct AnswerverifiedShow Answer

Which of the following is(are) a type of neuroglia?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Most of the neurons in the brain and spinal cord are

Correct AnswerverifiedShow Answer

The cells in the nervous system that fill spaces and support neurons both physically and nutritionally are called ______.

Correct AnswerverifiedShow Answer

Muscles and glands that respond to nervous stimulation are called _______.

Correct AnswerverifiedShow Answer

In reuptake

Correct AnswerverifiedShow Answer

Transmitting an impulse from one neuron to another involves a(n)

Correct AnswerverifiedShow Answer

Enkephalins are neuropeptides.

Correct AnswerverifiedShow Answer

Nodes of Ranvier lie between neurons.

Correct AnswerverifiedShow Answer

Axon branches are called collaterals.

Correct AnswerverifiedShow Answer

The somatic nervous system controls voluntary actions and the autonomic nervous system oversees involuntary actions.

Correct AnswerverifiedShow Answer

In convergence,two or more incoming fibers contact a single neuron,whereas in divergence,impulses leaving a neuron pass into several output fibers.

Correct AnswerverifiedShow Answer

Neuropeptides that affect a neuron's response to other neurotransmitters are called _______.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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An impulse conducted along an axon consists of a wave of moving away from a point of stimulation.

Correct Answer
verified

Correct Answer
verified

If a neurotransmitter hyperpolarizes a cell membrane and an action potential is less likely,the change is called __.

Correct Answer
verified
inhibitory...
View Answer

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