Question 1

Which of the following is NOT part of the brain stem?

Accepted Answer

A)  Pons
B)  Medulla oblongata
C)  Thalamus
D)  MidbrainE) A) and D)
F) None of the above

Question 2

The right side of the brain controls the ______ side of the body.The left side of the brain controls the ______ side of the body.

Accepted Answer

A)  left;right
B)  right;leftC) A) and B)
D) undefined

Question 3

The spinal cord is part of the ___________,while the cranial nerves are part of the ___________.

Accepted Answer

A)  CNS;PNS
B)  PNS;CNSC) A) and B)
D) undefined

Question 4

What flows across the synaptic cleft?

Accepted Answer

A)  Sodium ions
B)  Electrons
C)  A neurotransmitter
D)  Potassium ionsE) None of the above
F) A) and B)

Question 5

Mixed nerves contain

Accepted Answer

A)  only sensory fibers.
B)  only motor fibers.
C)  both sensory and motor fibers.D) All of the above
E) B) and C)

Question 6

What is the structural classification of interneurons?

Accepted Answer

A)  Unipolar
B)  Multipolar
C)  BipolarD) All of the above
E) B) and C)

Question 7

Which of the following cranial nerves allows one to taste a lemon and then make a face because it is sour?

Accepted Answer

A)  Trigeminal
B)  Facial
C)  Abducens
D)  GlossopharyngealE) A) and C)
F) A) and D)

Question 8

Norepinephrine is a neurotransmitter used by the

Accepted Answer

A)  parasympathetic nervous system.
B)  sympathetic nervous system.
C)  both parasympathetic and sympathetic nervous systems.D) All of the above
E) None of the above

Question 9

What protects the spinal cord?

Accepted Answer

A)  Vertebrae
B)  Meninges
C)  Cerebrospinal fluid
D)  All apply.E) A) and B)
F) C) and D)

Question 10

Small signals in a synapse that don't reach threshold,but can add together are called

Accepted Answer

A)  receptor potentials.
B)  action potentials.
C)  resting potentials.
D)  graded potentials.E) A) and D)
F) A) and C)

Question 11

Which of the following is NOT a lobe of the cerebrum?

Accepted Answer

A)  Occipital lobe
B)  Frontal lobe
C)  Temporal lobe
D)  Sphenoid lobeE) A) and D)
F) A) and C)

Question 12

What is the role of acetylcholinesterase at a synapse?

Accepted Answer

A)  It stimulates the post-synaptic neuron.
B)  It breaks down acetylcholine.
C)  It releases calcium ions.
D)  All apply.E) A) and B)
F) A) and C)

Question 13

Which of the following cranial nerves is NOT purely motor in its function?

Accepted Answer

A)  Trigeminal
B)  Trochlear
C)  Spinal accessory
D)  AbducensE) A) and B)
F) B) and D) A

Question 14

A sensory neuron carries impulses

Accepted Answer

A)  to muscles and glands.
B)  to the CNS.
C)  always within the CNS.D) All of the above
E) A) and B) B

Question 15

When a nerve is at its resting potential,the inside charge is

Accepted Answer

A)  negative.
B)  positive.
C)  neutral.D) A) and B)
E) A) and C)

Question 16

What white matter structure connects the two cerebral hemispheres?

Accepted Answer

A)  Longitudinal fissure
B)  Lateral ventricles
C)  Corpus callosum
D)  DiencephalonsE) B) and C)
F) C) and D)

Question 17

Which of the following spinal nerve areas is NOT matched with the correct number of nerve pairs?

Accepted Answer

A)  Thoracic - 12
B)  Cervical - 7
C)  Lumbar - 5
D)  Sacral - 5E) A) and D)
F) A) and C)

Question 18

A fascicle of axons is surrounded by the

Accepted Answer

A)  perineurium.
B)  endoneurium.
C)  epineurium.
D)  myelin sheath.E) None of the above
F) B) and C)

Question 19

What are nodes of Ranvier?

Accepted Answer

A)  Myelin sheaths around the axon
B)  A long process that carries electric signals in a neuron
C)  Gaps on axons in between myelin sheaths
D)  Dark-staining rough endoplasmic reticulum in neuronsE) A) and D)
F) A) and C)

Question 20

A motor neuron carries impulses

Accepted Answer

A)  to muscles and glands.
B)  to the CNS.
C)  always within the CNS.D) None of the above
E) All of the above A

Exam 8: The Nervous System

Which of the following is NOT part of the brain stem?

Correct AnswerverifiedShow Answer

The right side of the brain controls the ______ side of the body.The left side of the brain controls the ______ side of the body.

Correct AnswerverifiedShow Answer

The spinal cord is part of the ___________,while the cranial nerves are part of the ___________.

Correct AnswerverifiedShow Answer

What flows across the synaptic cleft?

Correct AnswerverifiedShow Answer

Mixed nerves contain

Correct AnswerverifiedShow Answer

What is the structural classification of interneurons?

Correct AnswerverifiedShow Answer

Which of the following cranial nerves allows one to taste a lemon and then make a face because it is sour?

Correct AnswerverifiedShow Answer

Norepinephrine is a neurotransmitter used by the

Correct AnswerverifiedShow Answer

What protects the spinal cord?

Correct AnswerverifiedShow Answer

Small signals in a synapse that don't reach threshold,but can add together are called

Correct AnswerverifiedShow Answer

Which of the following is NOT a lobe of the cerebrum?

Correct AnswerverifiedShow Answer

What is the role of acetylcholinesterase at a synapse?

Correct AnswerverifiedShow Answer

Which of the following cranial nerves is NOT purely motor in its function?

Correct AnswerverifiedA

A sensory neuron carries impulses

Correct AnswerverifiedB

When a nerve is at its resting potential,the inside charge is

Correct AnswerverifiedShow Answer

What white matter structure connects the two cerebral hemispheres?

Correct AnswerverifiedShow Answer

Which of the following spinal nerve areas is NOT matched with the correct number of nerve pairs?

Correct AnswerverifiedShow Answer

A fascicle of axons is surrounded by the

Correct AnswerverifiedShow Answer

What are nodes of Ranvier?

Correct AnswerverifiedShow Answer

A motor neuron carries impulses

Correct AnswerverifiedA

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The right side of the brain controls the side of the body.The left side of the brain controls the side of the body.

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The spinal cord is part of the _,while the cranial nerves are part of the _.

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A

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B

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A