Question 1

What congenital disorder results when the vertebrae fail to form completely around the spinal cord, typically in the lumbosacral region?

Accepted Answer

A)   cystic fibrosis
B)   anencephaly
C)   hydrocephaly
D)   cerebral palsy
E)   spina bifidaF) A) and B)
G) A) and C)

Question 2

Depolarization of neurons results from the entry of sodium ions into the cell.

Accepted Answer

A) True 
 B)False

Question 3

The part of the neuron that typically conducts nerve impulses away from the cell body is the ________.

Accepted Answer

A)   dendrite
B)   cell body
C)   synaptic cleft
D)   axonE) A) and C)
F) B) and C)

Question 4

The primary motor area allows us to consciously move our skeletal muscles.

Accepted Answer

A) True 
 B)False

Question 5

Match the following:
-Decreases digestive system activities

Accepted Answer

A)  Parasympathetic nervous system
B)  Sympathetic nervous systemC) A) and B)
D) undefined

Question 6

What are the major positive ions situated outside the neuron when it is polarized?

Accepted Answer

A)   calcium ions
B)   sodium ions
C)   potassium ions
D)   magnesium ionsE) B) and C)
F) All of the above

Question 7

Match the following:
-Increases metabolic rate

Accepted Answer

A)  Parasympathetic nervous system
B)  Sympathetic nervous systemC) A) and B)
D) undefined

Question 8

The midbrain, pons, and medulla oblongata are housed in the ________.

Accepted Answer

A)   diencephalon
B)   hypothalamus
C)   brain stem
D)   pineal gland
E)   cerebellumF) A) and B)
G) A) and C)

Question 9

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the ________.

Accepted Answer

A)   pons
B)   medulla oblongata
C)   midbrain
D)   cerebrum
E)   hypothalamusF) A) and C)
G) D) and E)

Question 10

The large fiber tract that allows communication between the two cerebral hemispheres is called the ________.

Accepted Answer

A)   corpus callosum
B)   fornix
C)   pons
D)   thalamusE) B) and C)
F) A) and D)

Question 11

Which branch of the autonomic nervous system (ANS)  mobilizes the body during extreme situations, such as rage or fear?

Accepted Answer

A)   sympathetic division
B)   parasympathetic division
C)   somatic division
D)   sensory divisionE) A) and D)
F) None of the above

Question 12

Which one of the following statements about aging is most accurate?

Accepted Answer

A)   The brain reaches its maximum weight around the seventh decade of life.
B)   Synaptic connections are too fixed to permit a great deal of learning after the age of 35.
C)   Despite some neuronal loss, an unlimited number of neural pathways are available and ready to be developed; therefore, additional learning can occur throughout life.
D)   Learning throughout the adult and aging years is supported primarily by glial proliferation.
E)   Increased efficiency of the sympathetic nervous system enhances the ability to learn.F) A) and D)
G) A) and C)

Question 13

What statement best describes the resting state of a neuron?

Accepted Answer

A)   Neurons are polarized with more sodium ions outside the cell and more potassium ions inside the cell.
B)   Neurons are propagating the action potential.
C)   Neurons are depolarizing and generating an action potential.
D)   Neurons are restoring the ionic conditions utilizing the sodium-potassium pump.
E)   Neurons are repolarizing as potassium ions diffuse out of the cell.F) B) and D)
G) None of the above

Question 14

Cranial nerve X is the vestibulocochlear nerve, its fibers carry sensations of hearing and equilibrium to the brain.

Accepted Answer

A) True 
 B)False

Question 15

Using Figure 7.1, identify the following:
-The axon is indicated by ________.

Accepted Answer

A)   Label B
B)   Label F
C)   Label H
D)   Label I
E)   Label AF) A) and B)
G) B) and D)

Question 16

Match the following:
-Includes the pineal gland and choroid plexus of the third ventricle

Accepted Answer

A)  hypothalamus
B)  pituitary gland
C)  epithalamus
D)  medulla oblongata
E)  thalamusF) midbrainG) A) and F)
H) A) and D)

Question 17

What pair of cranial nerves extends to the thoracic and abdominal cavities?

Accepted Answer

A)   glossopharyngeal
B)   oculomotor
C)   vestibulocochlear
D)   vagusE) C) and D)
F) None of the above

Question 18

Using Figure 7.1, identify the following:
-The gaps between Schwann cells are indicated by ________.

Accepted Answer

A)   Label D
B)   Label H
C)   Label B
D)   Label F
E)   Label AF) B) and D)
G) A) and D)

Question 19

Match the following:
-Motor homunculus and sensory homunculus

Accepted Answer

A)  cerebellum
B)  cerebrum
C)  diencephalon
D)  brain stemE) All of the above
F) A) and D)

Question 20

What part of the neuron releases neurotransmitters from vesicles?

Accepted Answer

A)   axon terminals
B)   dendrites
C)   axon hillock
D)   Schwann cells
E)   myelin sheathF) All of the above
G) None of the above

Exam 7: The Nervous System

Which one of the following statements about aging is most accurate?

Correct AnswerverifiedShow Answer

What congenital disorder results when the vertebrae fail to form completely around the spinal cord, typically in the lumbosacral region?

Correct AnswerverifiedShow Answer

The primary motor area allows us to consciously move our skeletal muscles.

Correct AnswerverifiedShow Answer

Match the following: -Decreases digestive system activities

Correct AnswerverifiedShow Answer

The part of the neuron that typically conducts nerve impulses away from the cell body is the ________.

Correct AnswerverifiedShow Answer

What are the major positive ions situated outside the neuron when it is polarized?

Correct AnswerverifiedShow Answer

Using Figure 7.1, identify the following: -The axon is indicated by ________.

Correct AnswerverifiedShow Answer

The midbrain, pons, and medulla oblongata are housed in the ________.

Correct AnswerverifiedShow Answer

What part of the neuron releases neurotransmitters from vesicles?

Correct AnswerverifiedShow Answer

Match the following: -Motor homunculus and sensory homunculus

Correct AnswerverifiedShow Answer

Depolarization of neurons results from the entry of sodium ions into the cell.

Correct AnswerverifiedShow Answer

What statement best describes the resting state of a neuron?

Correct AnswerverifiedShow Answer

The large fiber tract that allows communication between the two cerebral hemispheres is called the ________.

Correct AnswerverifiedShow Answer

Match the following: -Increases metabolic rate

Correct AnswerverifiedShow Answer

Cranial nerve X is the vestibulocochlear nerve, its fibers carry sensations of hearing and equilibrium to the brain.

Correct AnswerverifiedShow Answer

Which branch of the autonomic nervous system (ANS) mobilizes the body during extreme situations, such as rage or fear?

Correct AnswerverifiedShow Answer

Using Figure 7.1, identify the following: -The gaps between Schwann cells are indicated by ________.

Correct AnswerverifiedShow Answer

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the ________.

Correct AnswerverifiedShow Answer

Match the following: -Includes the pineal gland and choroid plexus of the third ventricle

Correct AnswerverifiedShow Answer

What pair of cranial nerves extends to the thoracic and abdominal cavities?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified