Question 1

Myelinated axons that run together in bundles in the CNS are

Accepted Answer

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

Question 2

What are the potential effects of heavy marijuana usage?

Accepted Answer

A)   Hallucinations, anxiety, depression, body image distortion, and other psychotic symptoms.
B)   A decrease in dopamine production.
C)   The body decreases the natural production of endorphins.
D)   The release of excess dopamine production.
E)   All of these are potential effects of heavy marijuana usage.F) D) and E)
G) A) and C)

Question 3

Saltatory conduction occurs when

Accepted Answer

A)   salt (or sodium)  levels are highest.
B)   the sodium (salt)  gates open.
C)   the resting potential fails to be reset.
D)   there is no synapse and the axon is continuous with the next dendrite.
E)   the action potential jumps from node to node.F) A) and C)
G) B) and C)

Question 4

The enzyme that breaks down acetylcholine within the synaptic cleft is

Accepted Answer

A)   acetylcholinesterase.
B)   monoamine oxidase.
C)   GABA.
D)   lipase.
E)   maltase.F) All of the above
G) A) and E)

Question 5

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) A) and E)
G) All of the above

Question 6

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) C) and E)
G) A) and D)

Question 7

In Figure 17.16,the structure at "c" is a(n)

Accepted Answer

A)   interneuron.
B)   sensory neuron.
C)   receptor.
D)   motor neuron.
E)   effector.F) C) and E)
G) B) and C)

Question 8

When the dorsal root of a spinal nerve is cut,

Accepted Answer

A)   the organism is killed.
B)   incoming sensory nerve impulses are lost.
C)   outgoing motor nerve impulses are lost.
D)   incoming motor nerve impulses are lost.
E)   impulses do not cross over to the other side of the body.F) A) and C)
G) A) and B)

Question 9

Which is a combination of physiological and psychological dependence?

Accepted Answer

A)   tolerance and withdrawal
B)   increasing 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) C) and D)

Question 10

Which description bets fits the Peripheral Nervous System (PNS) ?

Accepted Answer

A)   Nerves that carry sensory messages to the CNS and motor commands to the muscles and glands.
B)   Nerves that carries motor commands to the CNS and sensory messages to the muscles and glands.
C)   Consists of the brain and spinal cord, located in the midline of the body.
D)   Consists of the brain and spinal cord, located on the peripheral aspect of the body.
E)   None of these are descriptions of the Peripheral Nervous System (PNS) .F) B) and C)
G) A) and D)

Question 11

Which of the following does NOT pertain to neurons?

Accepted Answer

A)   sodium pumps
B)   Schwann cells
C)   myelin
D)   nodes of Ranvier
E)   cell wallsF) B) and C)
G) A) and E)

Question 12

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 brain.F) C) and E)
G) A) and E)

Question 13

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 E)

Question 14

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

Accepted Answer

A)   meninges  →\rarr→  vertebrae  →\rarr→  spinal cord  →\rarr→  central canal
B)   meninges  →\rarr→  spinal cord  →\rarr→  vertebrae  →\rarr→  central canal
C)   vertebrae  →\rarr→  meninges  →\rarr→  spinal cord  →\rarr→  central canal
D)   meninges  →\rarr→  vertebrae  →\rarr→  central canal  →\rarr→  spinal cord
E)   vertebrae  →\rarr→  meninges  →\rarr→ central canal  →\rarr→  spinal cord F) None of the above
G) B) and D)

Question 15

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) B) and E)
G) None of the above

Question 16

Which of the following is NOT true about the autonomic nervous system?

Accepted Answer

A)   It uses two motor neurons and one ganglion for each impulse.
B)   It uses preganglionic and postganglionic axons.
C)   It is a part of the peripheral nervous system.
D)   It functions voluntarily and consciously.
E)   It innervates all internal body organs.F) A) and D)
G) A) and C)

Question 17

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) C) and D)
G) None of the above

Exam 17: Nervous System

When the dorsal root of a spinal nerve is cut,

Correct Answer
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Which description bets fits the Peripheral Nervous System (PNS) ?

Correct Answer
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Which is a combination of physiological and psychological dependence?

Correct Answer
verified

Saltatory conduction occurs when

Correct Answer
verified

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

Correct Answer
verified

The enzyme that breaks down acetylcholine within the synaptic cleft is

Correct Answer
verified

Which of the following is NOT true about the autonomic nervous system?

Correct Answer
verified

Which description best fits the Central Nervous System (CNS) ?

Correct Answer
verified

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

Correct Answer
verified

In Figure 17.16,the structure at "c" is a(n)

Correct Answer
verified

Which of the following does NOT pertain to neurons?

Correct Answer
verified

What are the potential effects of heavy marijuana usage?

Correct Answer
verified

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 Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Myelinated axons that run together in bundles in the CNS are

Correct Answer
verified

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

Correct Answer
verified

Exam 17: Nervous System

When the dorsal root of a spinal nerve is cut,

Correct AnswerverifiedShow Answer

Which description bets fits the Peripheral Nervous System (PNS) ?

Correct AnswerverifiedShow Answer

Which is a combination of physiological and psychological dependence?

Correct AnswerverifiedShow Answer

Saltatory conduction occurs when

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The enzyme that breaks down acetylcholine within the synaptic cleft is

Correct AnswerverifiedShow Answer

Which of the following is NOT true about the autonomic nervous system?

Correct AnswerverifiedShow Answer

Which description best fits the Central Nervous System (CNS) ?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In Figure 17.16,the structure at "c" is a(n)

Correct AnswerverifiedShow Answer

Which of the following does NOT pertain to neurons?

Correct AnswerverifiedShow Answer

What are the potential effects of heavy marijuana usage?

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Myelinated axons that run together in bundles in the CNS are

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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