Question 1

What gives nerves their white, glistening appearance?

Accepted Answer

A)   lack of pigment
B)   sodium ions
C)   collagen fibers
D)   myelin sheaths
E)   cartilageF) A) and E)
G) B) and D)

Question 2

What are the two parts of the diencephalon?

Accepted Answer

A)   the cerebellum and the cerebrum
B)   the hypothalamus and the thalamus
C)   the midbrain and the pons
D)   the third and fourth ventricles
E)   the medulla oblongata and the brain stemF) A) and B)
G) A) and C)

Question 3

Which of the following is true about the cerebrum?

Accepted Answer

A)   It is the largest part of the human brain.
B)   It is covered by a thin gray layer.
C)   The two cerebral hemispheres are connected by the corpus callosum.
D)   Association areas integrate information from different lobes.
E)   All of the answer choices are true statements about the cerebrum.F) A) and B)
G) None of the above

Question 4

Which part of the brain is a seahorse-shaped structure deep in the temporal lobe?

Accepted Answer

A)   ganglia
B)   medulla
C)   corpus callosum
D)   hippocampus
E)   occipital areaF) B) and C)
G) C) and E)

Question 5

When anyone severs his spinal cord, they suffer a loss of sensation and a loss of voluntary control.

Accepted Answer

A) True 
 B)False

Question 6

Both meningitis and kuru involve infectious agents.

Accepted Answer

A) True 
 B)False

Question 7

Neurotransmitters are molecules that cross the synaptic cleft via

Accepted Answer

A)   active transport and always inhibit the postsynaptic neuron.
B)   active transport and always excite the postsynaptic neuron.
C)   passive diffusion and either excite or inhibit the postsynaptic neuron.
D)   passive diffusion and always inhibit the postsynaptic neuron.
E)   passive diffusion and always excite the postsynaptic neuron.F) A) and C)
G) A) and B)

Question 8

Which of the following is the best description of the cause of multiple sclerosis (MS) ?

Accepted Answer

A)   gradual death of brain cells due to calcium influx
B)   damage to myelin impairs normal coordination of impulses
C)   synaptic uptake of dopamine is inhibited
D)   degeneration of dopamine-releasing neurons in the brain
E)   excessive excitatory signals from the motor cortexF) None of the above
G) All of the above

Question 9

An impulse traveling up the spinal cord first enters the brain at the

Accepted Answer

A)   medulla.
B)   thalamus.
C)   hypothalamus.
D)   cerebellum.
E)   cerebrum.F) All of the above
G) A) and B)

Question 10

When individuals experience fear and pleasure, what part of the brain has been stimulated?

Accepted Answer

A)   hypothalamus
B)   pons
C)   reticular activating system
D)   limbic system
E)   thalamusF) A) and B)
G) A) and C)

Question 11

Which types of cells are found only in the central nervous system?

Accepted Answer

A)   interneurons
B)   sensory neurons
C)   motor neurons
D)   interneurons and sensory neurons
E)   interneurons and motor neuronsF) D) and E)
G) B) and C)

Question 12

A stroke results from a disruption of the blood supply to the brain.

Accepted Answer

A) True 
 B)False

Question 13

Carpal tunnel syndrome results in damage to the median nerve, resulting in lack of control to the wrist and also numbness. This indicates that

Accepted Answer

A)   the nerve contained sensory neurons.
B)   the nerve contained motor neurons.
C)   the nerve contained both sensory and motor neurons.
D)   the damage was to a central body in a ganglion.
E)   the damage was to the spinal cord interneuron.F) C) and E)
G) B) and C)

Question 14

Which structure communicates with the prefrontal area of the brain and is involved in learning and memory?

Accepted Answer

A)   hippocampus
B)   amygdala
C)   pineal gland
D)   thalamus
E)   hypothalamusF) A) and B)
G) C) and D)

Question 15

Which part of the brain contains centers for the heartbeat and respiration?

Accepted Answer

A)   medulla oblongata
B)   hypothalamus
C)   cerebellum
D)   cerebrum
E)   ponsF) A) and B)
G) B) and D)

Question 16

Spinal nerves contain

Accepted Answer

A)   only sensory fibers.
B)   only motor fibers.
C)   both sensory and motor fibers.
D)   only parasympathetic fibers.
E)   only ganglia.F) A) and B)
G) D) and E)

Question 17

Which is a combination of physiological and psychological dependence?

Accepted Answer

A)   tolerance and withdrawal
B)   increasing the dosage of a drug to get the same effect and preoccupation with trying to get more drugs
C)   seizures and craving for cocaine
D)   the rush of cocaine and the hallucinations of marijuana
E)   a cocaine binge and a nicotine cravingF) A) and B)
G) A) and C)

Question 18

What are the long-term consequences associated with the use of cocaine?

Accepted Answer

A)   a decrease in dopamine production
B)   a decrease in the natural production of endorphins
C)   the release of excess dopamine
D)   hallucinations, anxiety, depression, body image distortion, and other psychotic symptoms
E)   All of the answer choices are consequences associated with the use of cocaine.F) B) and E)
G) A) and D)

Question 19

Myelinated axons that run together in bundles in the CNS are

Accepted Answer

A)   ventricles.
B)   meninges.
C)   cortices.
D)   tracts.
E)   ganglia.F) A) and B)
G) B) and E)

Question 20

Nicotine is not considered a drug because it does not affect the body physically.

Accepted Answer

A) True 
 B)False

Exam 17: Nervous System

What gives nerves their white, glistening appearance?

Correct AnswerverifiedShow Answer

What are the two parts of the diencephalon?

Correct AnswerverifiedShow Answer

Carpal tunnel syndrome results in damage to the median nerve, resulting in lack of control to the wrist and also numbness. This indicates that

Correct AnswerverifiedShow Answer

Myelinated axons that run together in bundles in the CNS are

Correct AnswerverifiedShow Answer

What are the long-term consequences associated with the use of cocaine?

Correct AnswerverifiedShow Answer

Spinal nerves contain

Correct AnswerverifiedShow Answer

Both meningitis and kuru involve infectious agents.

Correct AnswerverifiedShow Answer

Which structure communicates with the prefrontal area of the brain and is involved in learning and memory?

Correct AnswerverifiedShow Answer

Nicotine is not considered a drug because it does not affect the body physically.

Correct AnswerverifiedShow Answer

Which is a combination of physiological and psychological dependence?

Correct AnswerverifiedShow Answer

When anyone severs his spinal cord, they suffer a loss of sensation and a loss of voluntary control.

Correct AnswerverifiedShow Answer

Which part of the brain is a seahorse-shaped structure deep in the temporal lobe?

Correct AnswerverifiedShow Answer

Which of the following is true about the cerebrum?

Correct AnswerverifiedShow Answer

An impulse traveling up the spinal cord first enters the brain at the

Correct AnswerverifiedShow Answer

A stroke results from a disruption of the blood supply to the brain.

Correct AnswerverifiedShow Answer

Which part of the brain contains centers for the heartbeat and respiration?

Correct AnswerverifiedShow Answer

When individuals experience fear and pleasure, what part of the brain has been stimulated?

Correct AnswerverifiedShow Answer

Neurotransmitters are molecules that cross the synaptic cleft via

Correct AnswerverifiedShow Answer

Which types of cells are found only in the central nervous system?

Correct AnswerverifiedShow Answer

Which of the following is the best description of the cause of multiple sclerosis (MS) ?

Correct AnswerverifiedShow Answer

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