Question 1

Ischemic cell damage is caused by a lack of blood flow, which deprives cells of __________.

Accepted Answer

A)   sodium ions
B)   potassium ions
C)   oxygen
D)   carbon dioxide
E)   chloride ionsF) B) and C)
G) B) and D)

Question 2

The subarachnoid space contains cerebrospinal fluid.

Accepted Answer

A) True 
 B)False

Question 3

What types of axons are contained within the dorsal roots of a spinal nerve?

Accepted Answer

A)   Sensory axons only
B)   Motor axons only
C)   Both sensory and motor axonsD) B) and C)
E) All of the above

Question 4

In a resting neuron, what is the difference in charges between the outside and inside of the membrane called?

Accepted Answer

A)   Action potential
B)   Resting potential
C)   Graded potential
D)   Retrograde potentialE) A) and D)
F) A) and C)

Question 5

What cells form myelin in the central nervous system?

Accepted Answer

A)   Schwann cells
B)   Oligodendrocytes
C)   Astrocytes
D)   Microglial cells
E)   Ependymal cellsF) A) and B)
G) B) and D)

Question 6

The phrenic nerve arises from which plexus?

Accepted Answer

A)   Cervical plexus
B)   Brachial plexus
C)   Lumbar plexus
D)   Sacral plexusE) B) and C)
F) All of the above

Question 7

What structural type of neuron includes most neurons whose cell bodies lie within the central nervous system?

Accepted Answer

A)   Sensory neurons
B)   Multipolar neurons
C)   Bipolar neurons
D)   Unipolar neuronsE) B) and C)
F) A) and C)

Question 8

What branch of the autonomic nervous system prepares the body for stressful or emergency situations?

Accepted Answer

A)   Parasympathetic nervous system
B)   Sympathetic nervous system
C)   Somatic nervous system
D)   Visceral afferent nervous systemE) B) and C)
F) A) and B)

Question 9

Neurotransmitters that move the post-synaptic membrane potential closer to threshold are __________.

Accepted Answer

A)   inhibitory
B)   excitatory
C)   all-or-none
D)   hyperpolarizingE) B) and C)
F) C) and D)

Question 10

Where can cerebrospinal fluid be found?

Accepted Answer

A)   In the brain tissue
B)   In the subdural space
C)   In the epidural space
D)   In the subarachnoid spaceE) A) and C)
F) B) and C)

Question 11

Damage to which area of the brain would result in the inability to sense a coin in the right hand?

Accepted Answer

A)   Right parietal lobe
B)   Right frontal lobe
C)   Left parietal lobe
D)   Left frontal lobeE) A) and D)
F) C) and D)

Question 12

A synapse is the functional connection between two neurons.

Accepted Answer

A) True 
 B)False

Question 13

Action potentials reaching the synaptic knob open voltage-gated __________ channels, triggering synaptic vesicles to release neurotransmitter.

Accepted Answer

A)   sodium
B)   potassium
C)   calcium
D)   acetylcholineE) B) and D)
F) A) and B)

Question 14

What is the name given to bundles of axons that carry impulses into the brain or spinal cord?

Accepted Answer

A)   Sensory nerves
B)   Motor nerves
C)   Mixed nervesD) A) and B)
E) None of the above

Question 15

Sensory nerves carry information to effectors.

Accepted Answer

A) True 
 B)False

Question 16

What is the neurilemma?

Accepted Answer

A)   The neuron's plasma membrane
B)   The sarcolemma of the neuron
C)   A structure that surrounds the myelin sheath
D)   A structure that only surrounds the soma of the central nervous system neuronsE) B) and D)
F) B) and C)

Question 17

In the patellar reflex, the afferent and efferent pathways are part of the femoral nerve, so the femoral nerve is a __________ nerve.

Accepted Answer

A)   sensory
B)   motor
C)   mixedD) A) and B)
E) All of the above

Question 18

The cells in the nervous system that fill spaces and give support to neurons are called __________.

Accepted Answer

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

Question 19

In what direction does the spinothalamic tract conduct impulses?

Accepted Answer

A)   From the thalamus to the cerebral cortex
B)   Up the spinal cord to the thalamus
C)   Down the spinal cord from the thalamus
D)   From the thalamus to the cerebellum
E)   Between the left and right cerebral hemispheresF) C) and D)
G) A) and D)

Question 20

The olfactory nerves and optic nerves are mixed nerves.

Accepted Answer

A) True 
 B)False

Exam 9: Nervous System

A synapse is the functional connection between two neurons.

Correct AnswerverifiedShow Answer

In what direction does the spinothalamic tract conduct impulses?

Correct AnswerverifiedShow Answer

What is the neurilemma?

Correct AnswerverifiedShow Answer

Sensory nerves carry information to effectors.

Correct AnswerverifiedShow Answer

Ischemic cell damage is caused by a lack of blood flow, which deprives cells of __________.

Correct AnswerverifiedShow Answer

What cells form myelin in the central nervous system?

Correct AnswerverifiedShow Answer

In the patellar reflex, the afferent and efferent pathways are part of the femoral nerve, so the femoral nerve is a __________ nerve.

Correct AnswerverifiedShow Answer

The phrenic nerve arises from which plexus?

Correct AnswerverifiedShow Answer

What structural type of neuron includes most neurons whose cell bodies lie within the central nervous system?

Correct AnswerverifiedShow Answer

Action potentials reaching the synaptic knob open voltage-gated __________ channels, triggering synaptic vesicles to release neurotransmitter.

Correct AnswerverifiedShow Answer

The subarachnoid space contains cerebrospinal fluid.

Correct AnswerverifiedShow Answer

Neurotransmitters that move the post-synaptic membrane potential closer to threshold are __________.

Correct AnswerverifiedShow Answer

What branch of the autonomic nervous system prepares the body for stressful or emergency situations?

Correct AnswerverifiedShow Answer

The cells in the nervous system that fill spaces and give support to neurons are called __________.

Correct AnswerverifiedShow Answer

What is the name given to bundles of axons that carry impulses into the brain or spinal cord?

Correct AnswerverifiedShow Answer

In a resting neuron, what is the difference in charges between the outside and inside of the membrane called?

Correct AnswerverifiedShow Answer

The olfactory nerves and optic nerves are mixed nerves.

Correct AnswerverifiedShow Answer

Where can cerebrospinal fluid be found?

Correct AnswerverifiedShow Answer

Damage to which area of the brain would result in the inability to sense a coin in the right hand?

Correct AnswerverifiedShow Answer

What types of axons are contained within the dorsal roots of a spinal nerve?

Correct AnswerverifiedShow Answer

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