Question 1

Which brain system receives sensory information from the skin, skeletal muscles, and tendons?

Accepted Answer

A)  somatic system of the PNS 
B)  somatic system of the CNS 
C)  autonomic system of the PNS 
D)  autonomic system of the CNS 
E)  all of these 
A)  somatic system of the PNS 
B)  somatic system of the CNS 
C)  autonomic system of the PNS 
D)  autonomic system of the CNS 
E)  all of these

Question 2

Which of the following is associated with the PNS but not the CNS?

Accepted Answer

A)  Schwann cells 
B)  myelin sheath 
C)  axon 
D)  dendrite 
E)  node of Ranvier 
A)  Schwann cells 
B)  myelin sheath 
C)  axon 
D)  dendrite 
E)  node of Ranvier

Question 3

Which of the following is mismatched?

Accepted Answer

A)  sensory nerves- afferent 
B)  motor nerves- efferent 
C)  somatic motor nerves- smooth muscle, cardiac muscle, glands 
D)  somatic sensory nerves- skin, muscles, joints, special senses 
E)  visceral sensory nerves- body organs 
A)  sensory nerves- afferent 
B)  motor nerves- efferent 
C)  somatic motor nerves- smooth muscle, cardiac muscle, glands 
D)  somatic sensory nerves- skin, muscles, joints, special senses 
E)  visceral sensory nerves- body organs

Question 4

There are only two types of neurotransmitters: acetylcholine for excitation and norepinephrine for inhibition.

Accepted Answer

A) True 
 B)False

Question 5

The white matter of the spinal cord surrounds the gray matter.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements concerning the primary motor area is not true?

Accepted Answer

A)  The area that controls the thumb, fingers, and hand is larger than the area controlling the leg. 
B)  The primary motor area is located anterior to the central sulcus. 
C)  Control of muscles responsible for facial movements take up a large portion of the primary motor area. 
D)  Voluntary commands to skeletal muscles begin in the primary motor area. 
E)  The primary motor area is in the cerebellum. 
A)  The area that controls the thumb, fingers, and hand is larger than the area controlling the leg. 
B)  The primary motor area is located anterior to the central sulcus. 
C)  Control of muscles responsible for facial movements take up a large portion of the primary motor area. 
D)  Voluntary commands to skeletal muscles begin in the primary motor area. 
E)  The primary motor area is in the cerebellum.

Question 7

Which conducts an action potential faster and why?

Accepted Answer

A)  myelinated fibers; the action potential moves through the myelin which allows it to travel faster 
B)  myelinated fibers; the action potential jumps from one node of Ranvier to another 
C)  unmyelinated fibers; the absence of myelin allows the action potential to travel faster 
D)  unmyelinated fibers; the action potential jumps from one node of Ranvier to another 
E)  unmyelinated fibers; the ions can move in and out of the cell faster without the myelin coating 
A)  myelinated fibers; the action potential moves through the myelin which allows it to travel faster 
B)  myelinated fibers; the action potential jumps from one node of Ranvier to another 
C)  unmyelinated fibers; the absence of myelin allows the action potential to travel faster 
D)  unmyelinated fibers; the action potential jumps from one node of Ranvier to another 
E)  unmyelinated fibers; the ions can move in and out of the cell faster without the myelin coating

Question 8

How is alcohol classified?

Accepted Answer

A)  stimulant 
B)  depressant 
C)  psychoactive 
D)  inhibitor 
E)  none of these 
A)  stimulant 
B)  depressant 
C)  psychoactive 
D)  inhibitor 
E)  none of these

Question 9

Wernicke's area is associated with

Accepted Answer

A)  reflex centers for controlling heartbeat. 
B)  sexual arousal. 
C)  the ability to ride a bike. 
D)  the sense of smell. 
E)  the ability to speak. 
A)  reflex centers for controlling heartbeat. 
B)  sexual arousal. 
C)  the ability to ride a bike. 
D)  the sense of smell. 
E)  the ability to speak.

Question 10

The structures of the limbic system are linked together because of their position within the cerebrum, even though they have a variety of functions.

Accepted Answer

A) True 
 B)False

Question 11

The spinal cord belongs to the

Accepted Answer

A)  peripheral nervous system. 
B)  central nervous system. 
C)  axial nervous system. 
D)  appendicular nervous system. 
E)  none of these. 
A)  peripheral nervous system. 
B)  central nervous system. 
C)  axial nervous system. 
D)  appendicular nervous system. 
E)  none of these.

Question 12

The intensity of a message is determined by how many action potentials are generated within a given time.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following could happen to the neurotransmitter once it binds to the receiving membrane receptors?

Accepted Answer

A)  reabsorbed by the sending membrane 
B)  absorbed by the receiving membrane in order to start the action potential 
C)  stays bound to the receiving membrane 
D)  released back into the synaptic cleft where it builds up 
E)  degrades due to lack of Ca+ 
A)  reabsorbed by the sending membrane 
B)  absorbed by the receiving membrane in order to start the action potential 
C)  stays bound to the receiving membrane 
D)  released back into the synaptic cleft where it builds up 
E)  degrades due to lack of Ca+

Question 14

Why is the outside of a neuron positively charged?

Accepted Answer

A)  because sodium ions gather around the outside of the cell membrane 
B)  because calcium ions gather around the outside of the cell membrane 
C)  because potassium ions gather around the inside of the cell membrane 
D)  because sodium ions gather around the inside of the cell membrane 
E)  because chloride ions gather around the outside of the cell membrane 
A)  because sodium ions gather around the outside of the cell membrane 
B)  because calcium ions gather around the outside of the cell membrane 
C)  because potassium ions gather around the inside of the cell membrane 
D)  because sodium ions gather around the inside of the cell membrane 
E)  because chloride ions gather around the outside of the cell membrane

Question 15

Which of the following is not a function of the nervous system?

Accepted Answer

A)  receive sensory input 
B)  cushion and protect soft tissue 
C)  perform information processing 
D)  perform integration 
E)  generate motor output 
A)  receive sensory input 
B)  cushion and protect soft tissue 
C)  perform information processing 
D)  perform integration 
E)  generate motor output

Question 16

Which of the following is not a neurotransmitter?

Accepted Answer

A)  acetylcholine 
B)  serotonin 
C)  glutamate 
D)  GABA 
E)  ATP 
A)  acetylcholine 
B)  serotonin 
C)  glutamate 
D)  GABA 
E)  ATP

Question 17

The cells of the nervous tissue are all neurons, or cells that transmit nerve impulses.

Accepted Answer

A) True 
 B)False

Question 18

Heavy use of which drug can lead to hallucinations, anxiety, depression, paranoia, and psychotic symptoms?

Accepted Answer

A)  marijuana 
B)  ecstasy 
C)  heroin 
D)  cocaine 
E)  methamphetamine 
A)  marijuana 
B)  ecstasy 
C)  heroin 
D)  cocaine 
E)  methamphetamine

Question 19

The entire action potential depolarization and repolarization) occurs in a matter of

Accepted Answer

A)  milliseconds. 
B)  seconds. 
C)  minutes. 
D)  hours. 
E)  days. 
A)  milliseconds. 
B)  seconds. 
C)  minutes. 
D)  hours. 
E)  days.

Question 20

How does caffeine work?

Accepted Answer

A)  increases the amount of neurotransmitter at a synapse 
B)  interferes with or decreases the action of a neurotransmitter 
C)  replace or mimic a neurotransmitter 
D)  replace or mimic a neuromodulator 
E)  promote the action of a neurotransmitter 
A)  increases the amount of neurotransmitter at a synapse 
B)  interferes with or decreases the action of a neurotransmitter 
C)  replace or mimic a neurotransmitter 
D)  replace or mimic a neuromodulator 
E)  promote the action of a neurotransmitter

Exam 14: Nervous System

Which brain system receives sensory information from the skin, skeletal muscles, and tendons?

Which of the following is associated with the PNS but not the CNS?

Which of the following is mismatched?

There are only two types of neurotransmitters: acetylcholine for excitation and norepinephrine for inhibition.

The white matter of the spinal cord surrounds the gray matter.

Which of the following statements concerning the primary motor area is not true?

Which conducts an action potential faster and why?

How is alcohol classified?

Wernicke's area is associated with

The structures of the limbic system are linked together because of their position within the cerebrum, even though they have a variety of functions.

The spinal cord belongs to the

The intensity of a message is determined by how many action potentials are generated within a given time.

Which of the following could happen to the neurotransmitter once it binds to the receiving membrane receptors?

Why is the outside of a neuron positively charged?

Which of the following is not a function of the nervous system?

Which of the following is not a neurotransmitter?

The cells of the nervous tissue are all neurons, or cells that transmit nerve impulses.

Heavy use of which drug can lead to hallucinations, anxiety, depression, paranoia, and psychotic symptoms?

The entire action potential depolarization and repolarization) occurs in a matter of

How does caffeine work?

Human Organization

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