Question 1

Which amino acid, in mice, was discovered to play a role in memory?

Accepted Answer

A)   glutamate
B)   valine
C)   serine
D)   histidine
E)   methionineF) B) and E)
G) A) and B)

Question 2

Which description best fits the central nervous system (CNS) ?

Accepted Answer

A)   consists of the brain and spinal cord, located in the midline of the body
B)   consists of the brain and spinal cord, connecting the muscles and the brain
C)   consists of the spinal cord, located in the midline of the body
D)   consists of the brain and spinal cord, located on the edges of the body
E)   transmits sensory impulses to the PNS and motor impulses to the brainF) C) and D)
G) All of the above

Question 3

One group of drugs retards heart rate, promotes digestion, contracts the eye pupil, etc. The other group has the opposite effect. These drugs are affecting the

Accepted Answer

A)   motor and sensory nerves.
B)   cerebrum and cerebellum, respectively.
C)   central and peripheral nervous systems.
D)   neurostimulatory and neuroinhibitory synapses.
E)   sympathetic and parasympathetic nervous systems.F) C) and E)
G) B) and E)

Question 4

Dendrites

Accepted Answer

A)   may be several feet in length.
B)   are always myelinated.
C)   are found only in the CNS.
D)   are solely responsible for nervous conduction.
E)   carry impulses toward a cell body.F) A) and D)
G) A) and B)

Question 5

Which of the following is correctly associated?

Accepted Answer

A)   midbrain-coordinates smooth and coordinated motions
B)   cerebellum-reflex centers for visual, auditory, and tactile responses
C)   cerebrum-reflex centers for visual, auditory, and tactile responses
D)   pons-regulates breathing rate
E)   thalamus-regulates heartbeat and blood pressureF) B) and D)
G) B) and C)

Question 6

The brains of Alzheimer disease patients show no abnormalities postmortem.

Accepted Answer

A) True 
 B)False

Question 7

Which part of the brain is used to integrate incoming information and send it to the appropriate portion of the cerebrum?

Accepted Answer

A)   hypothalamus
B)   cerebellum
C)   thalamus
D)   limbic system
E)   basal nucleiF) All of the above
G) C) and D)

Question 8

Which type of memory is associated with specific facts, persons, and events?

Accepted Answer

A)   episodic
B)   skill
C)   semantic
D)   short term
E)   All of the answer choices are associated with specific facts, persons, and events.F) All of the above
G) A) and C)

Question 9

Which of the following produces myelin in the peripheral nervous system?

Accepted Answer

A)   sodium-potassium pumps
B)   Schwann cells
C)   myelin
D)   nodes of Ranvier
E)   oligodendrocytesF) None of the above
G) C) and E)

Question 10

The summing up of excitatory and inhibitory signals in a neuron is called

Accepted Answer

A)   repolarization.
B)   inhibition.
C)   synapse.
D)   synaptic integration.
E)   sympathetic response.F) C) and D)
G) A) and B)

Question 11

The brain and spinal cord are protected by membranes called the

Accepted Answer

A)   ventricles.
B)   diencephalon.
C)   ganglia.
D)   amygdala.
E)   meninges.F) All of the above
G) A) and B)

Question 12

The main function of the cerebrospinal fluid is

Accepted Answer

A)   to provide saltatory transmission.
B)   to provide nutrients for the neurons.
C)   defense of the nervous system against pathogens.
D)   to produce gray matter.
E)   to cushion and protect the central nervous system.F) B) and C)
G) D) and E)

Question 13

You spray an insect with common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine. What effect will this have on the insect?

Accepted Answer

A)   The pesticide would kill the insects neurons.
B)   The lack of recycled acetylcholine would slow the metabolism of the insect.
C)   The insect would be unable to move due to a lack of nerve impulses.
D)   The insect would run out of acetylcholine and become paralyzed.
E)   The insect would lose control of body functions due to nerve impulses flowing continuously.F) B) and C)
G) A) and B)

Question 14

Which lobe of the cerebrum is responsible for vision?

Accepted Answer

A)   frontal
B)   parietal
C)   temporal
D)   occipital
E)   insularF) A) and E)
G) A) and D)

Question 15

Which limbic structure allows us to respond to and display anger and also prompts the release of adrenaline into the bloodstream?

Accepted Answer

A)   amygdala
B)   hippocampus
C)   cerebellum
D)   cerebrum
E)   ponsF) C) and E)
G) B) and D)

Question 16

The cerebrum is the largest portion of the brain in humans.

Accepted Answer

A) True 
 B)False

Question 17

A nerve impulse is caused by

Accepted Answer

A)   the movement of a sodium ion all the way from dendrite to axon tip.
B)   the movement of a potassium ion all the way from dendrite to axon tip.
C)   the movement of sodium ions from a dendrite to an axon tip and the movement of potassium ions from the an axon tip to a dendrite.
D)   a change in the difference in positive and negative ions on the outer and inner surfaces of the neuron membrane, a change that opens adjacent channels and propagates its flow.
E)   a change in the difference in sugar molecules on the outer and inner surfaces of the neuron membrane that opens adjacent channels.F) A) and B)
G) B) and C)

Question 18

List and compare the three classes of neurons.

Accepted Answer

1. Sensory neuron: takes messages from t...

Question 19

Saltatory conduction occurs when

Accepted Answer

A)   sodium levels are highest on the outside of the axonal membrane.
B)   sodium gates open.
C)   resting potential fails to be reset.
D)   neurotransmitters cross the synaptic cleft.
E)   an action potential jumps from node to node.F) D) and E)
G) B) and E)

Question 20

Which is the correct arrangement of tissues from outermost to innermost?

Accepted Answer

A)   meninges → vertebrae → spinal cord → central canal
B)   meninges → spinal cord → vertebrae → central canal
C)   vertebrae → meninges → spinal cord → central canal
D)   meninges → vertebrae → central canal → spinal cord
E)   vertebrae → meninges → central canal → spinal cordF) A) and E)
G) A) and D)

Exam 17: Nervous System

The cerebrum is the largest portion of the brain in humans.

Correct AnswerverifiedShow Answer

The main function of the cerebrospinal fluid is

Correct AnswerverifiedShow Answer

A nerve impulse is caused by

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Which lobe of the cerebrum is responsible for vision?

Correct AnswerverifiedShow Answer

Which limbic structure allows us to respond to and display anger and also prompts the release of adrenaline into the bloodstream?

Correct AnswerverifiedShow Answer

Which of the following is correctly associated?

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Which is the correct arrangement of tissues from outermost to innermost?

Correct AnswerverifiedShow Answer

Dendrites

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Which description best fits the central nervous system (CNS) ?

Correct AnswerverifiedShow Answer

The brain and spinal cord are protected by membranes called the

Correct AnswerverifiedShow Answer

Which part of the brain is used to integrate incoming information and send it to the appropriate portion of the cerebrum?

Correct AnswerverifiedShow Answer

Which amino acid, in mice, was discovered to play a role in memory?

Correct AnswerverifiedShow Answer

List and compare the three classes of neurons.

Correct Answerverified1. Sensory neuron: takes messages from t...View AnswerShow Answer

One group of drugs retards heart rate, promotes digestion, contracts the eye pupil, etc. The other group has the opposite effect. These drugs are affecting the

Correct AnswerverifiedShow Answer

Which of the following produces myelin in the peripheral nervous system?

Correct AnswerverifiedShow Answer

Saltatory conduction occurs when

Correct AnswerverifiedShow Answer

You spray an insect with common insecticide that destroys the ability of acetylcholinesterase to recycle acetylcholine. What effect will this have on the insect?

Correct AnswerverifiedShow Answer

Which type of memory is associated with specific facts, persons, and events?

Correct AnswerverifiedShow Answer

The summing up of excitatory and inhibitory signals in a neuron is called

Correct AnswerverifiedShow Answer

The brains of Alzheimer disease patients show no abnormalities postmortem.

Correct AnswerverifiedShow Answer

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1. Sensory neuron: takes messages from t...
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