Question 1

Which one of the following is entirely located within the central nervous system?

Accepted Answer

A)   sensory neuron
B)   sensory receptor
C)   motor neuron
D)   effector
E)   interneuronF) A) and B)
G) A) and C)

Question 2

Which of the following is not a type of neuron?

Accepted Answer

A)   sensory
B)   interneuron
C)   motor
D)   neuroglia
E)   afferentF) None of the above
G) All of the above

Question 3

What ensures the one-way direction of an action potential?

Accepted Answer

A)   As soon as the action potential has passed by, that portion of the axon undergoes a short refractory period.
B)   Action potentials are self-propagating.
C)   Conduction of an action potential is an all-or-none event.
D)   An action potential at one node causes an action potential at the next node.
E)   An axon can conduct a volley of action potentials very quickly.F) C) and E)
G) A) and E)

Question 4

The division between the central nervous system and the peripheral nervous system is based on the anatomical differences between cells in the two locations.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following areas is not associated with the frontal lobe?

Accepted Answer

A)   primary motor area
B)   primary visual area
C)   premotor area
D)   motor speech Broca's)  area
E)   prefrontal areaF) A) and E)
G) B) and E)

Question 6

When a neurotransmitter is released into the synaptic cleft, the response of the receiving neuron will be toward excitation.

Accepted Answer

A) True 
 B)False

Question 7

Depolarization of the neuron occurs when

Accepted Answer

A)   the potassium gates open and potassium moves outside the cell.
B)   the sodium-potassium pump moves sodium inside the cell.
C)   sodium gates open and sodium moves inside the cell.
D)   the sodium-potassium pump moves potassium inside the cell.
E)   water moves to the outside of the cell and chloride ions follow.F) D) and E)
G) B) and E)

Question 8

Which of the following is not a lobe of the cerebral hemisphere?

Accepted Answer

A)   reticular
B)   frontal
C)   parietal
D)   temporal
E)   occipitalF) A) and C)
G) A) and E)

Question 9

Where do most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from?

Accepted Answer

A)   thoracolumbar spinal nerves
B)   cranial nerves
C)   brain stem
D)   cervical nerves
E)   medulla oblongataF) C) and E)
G) A) and D)

Question 10

Which drug is in the same category as nicotine?

Accepted Answer

A)   cocaine
B)   alcohol
C)   heroin
D)   marijuana
E)   none of theseF) B) and C)
G) A) and E)

Question 11

The somatic division of the PNS controls all of the following except the

Accepted Answer

A)   skin.
B)   quadriceps muscle.
C)   tendons.
D)   heart muscle.
E)   bicep muscles.F) A) and D)
G) B) and E)

Question 12

Which of the following statements is not true concerning acetylcholine's function?

Accepted Answer

A)   Acetylcholine has an excitatory effect on smooth muscle and glands.
B)   Acetylcholine is active in both the CNS and PNS.
C)   In the PNS, acetylcholine excites skeletal muscle.
D)   In the PNS, acetylcholine inhibits cardiac muscle.
E)   The enzyme acetylcholinesterase removes acetylcholine from the receiving cell's membrane.F) C) and D)
G) B) and E)

Question 13

The central nervous system is protected by

Accepted Answer

A)   bone.
B)   muscle.
C)   fibrous cartilage.
D)   hyaline cartilage.
E)   elastic cartilage.F) A) and B)
G) None of the above

Question 14

The postganglionic fiber in the parasympathetic division is long because the ganglia lie near or within the organ.

Accepted Answer

A) True 
 B)False

Question 15

List the order of events that will occur during a reflex arc.

Accepted Answer

1. A sensation causes the sensory recept...

Question 16

The gap where there is no myelin sheath around a nerve fiber is called a node of Ranvier.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is part of the limbic system?

Accepted Answer

A)   spinal cord
B)   primary somatosensory area
C)   amygdala
D)   reticular formation
E)   cerebellumF) B) and E)
G) All of the above

Question 18

List the two primary structures of the limbic system and indicate their functions.

Accepted Answer

1. amygdala: causes experience...

Question 19

Dopamine plays a central role in the working of the brain's built-in reward circuit.

Accepted Answer

A) True 
 B)False

Question 20

The brain stem contains the midbrain, the pons, and the medulla oblongata.

Accepted Answer

A) True 
 B)False

Exam 14: Nervous System

List the order of events that will occur during a reflex arc.

Correct Answerverified1. A sensation causes the sensory recept...View AnswerShow Answer

The somatic division of the PNS controls all of the following except the

Correct AnswerverifiedShow Answer

Depolarization of the neuron occurs when

Correct AnswerverifiedShow Answer

Which of the following is not a type of neuron?

Correct AnswerverifiedShow Answer

Where do most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from?

Correct AnswerverifiedShow Answer

The division between the central nervous system and the peripheral nervous system is based on the anatomical differences between cells in the two locations.

Correct AnswerverifiedShow Answer

Which of the following statements is not true concerning acetylcholine's function?

Correct AnswerverifiedShow Answer

When a neurotransmitter is released into the synaptic cleft, the response of the receiving neuron will be toward excitation.

Correct AnswerverifiedShow Answer

Dopamine plays a central role in the working of the brain's built-in reward circuit.

Correct AnswerverifiedShow Answer

Which of the following is not a lobe of the cerebral hemisphere?

Correct AnswerverifiedShow Answer

List the two primary structures of the limbic system and indicate their functions.

Correct Answerverified1. amygdala: causes experience...View AnswerShow Answer

Which of the following areas is not associated with the frontal lobe?

Correct AnswerverifiedShow Answer

Which one of the following is entirely located within the central nervous system?

Correct AnswerverifiedShow Answer

The brain stem contains the midbrain, the pons, and the medulla oblongata.

Correct AnswerverifiedShow Answer

The central nervous system is protected by

Correct AnswerverifiedShow Answer

Which drug is in the same category as nicotine?

Correct AnswerverifiedShow Answer

The gap where there is no myelin sheath around a nerve fiber is called a node of Ranvier.

Correct AnswerverifiedShow Answer

The postganglionic fiber in the parasympathetic division is long because the ganglia lie near or within the organ.

Correct AnswerverifiedShow Answer

Which of the following is part of the limbic system?

Correct AnswerverifiedShow Answer

What ensures the one-way direction of an action potential?

Correct AnswerverifiedShow Answer

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1. A sensation causes the sensory recept...
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1. amygdala: causes experience...
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