Question 1

An EEG showing either very rapid or extremely slow frequency brain waves may occur when an individual is________ .

Accepted Answer

A)  moving about
B)  alert and speaking
C)  unconscious
D)  drowsyE) A) and B)
F) B) and D)

Question 2

This type of brain wave is normal in children, but abnormal in adults.

Accepted Answer

A)  delta
B)  beta
C)  alpha
D)  thetaE) All of the above
F) A) and B)

Question 3

Brain waves of this type predominate when an individual is attentive and alert.

Accepted Answer

A)  delta
B)  alpha
C)  beta
D)  thetaE) A) and D)
F) B) and C)

Question 4

Which of the following EEG waves has the lowest frequency?

Accepted Answer

A)  theta
B)  beta
C)  alpha
D)  deltaE) A) and B)
F) All of the above

Question 5

The electroencephalogram (EEG) is a recording of ________.

Accepted Answer

A)  electrical activity of muscles of the skull
B)  electrical activity of the surface of the brain
C)  electrical potentials in the skin of the scalpD) All of the above
E) A) and B)

Question 6

EEG activity may be recorded on ________.

Accepted Answer

A)  an oscilloscope, a physiograph, or computer- based data acquisition equipment
B)  a physiograph
C)  an oscilloscope
D)  computer- based data acquisition equipmentE) B) and D)
F) A) and D)

Question 7

Respiratory alkalosis results in EEG waves________ .

Accepted Answer

A)  that resemble an epileptic seizure
B)  in the theta range
C)  that are slower than delta waves
D)  that are flatE) A) and D)
F) B) and D)

Question 8

A physician may order an EEG study if the patient is suspected as having________ .

Accepted Answer

A)  a possible fracture of the frontal bone
B)  brain damage resulting from a deep cut in the scalp
C)  a broken nose
D)  a tumorE) None of the above
F) A) and C)

Question 9

An EEG study may be used to diagnose _________ .

Accepted Answer

A)  epilepsy
B)  hydrocephalus
C)  visual abnormalities
D)  hormonal disorders of the brainE) C) and D)
F) None of the above A

Question 10

An alert individual has a _________.

Accepted Answer

A)  nearly flat EEG
B)  relatively rapid frequency pattern of brain waves
C)  relatively slow frequency pattern of brain wavesD) A) and B)
E) A) and C)

Question 11

Deep sleep is associated with _________ .

Accepted Answer

A)  theta waves
B)  beta waves
C)  delta waves
D)  alpha wavesE) B) and D)
F) B) and C)

Question 12

Alpha block, the suppression of alpha waves that can be seen in the EEG, occurs when ________.

Accepted Answer

A)  you open your eyes, after having relaxed with eyes closed
B)  an individual is relaxed, with eyes closed
C)  one goes from a drowsy state into deep sleep
D)  a person is in a comaE) All of the above
F) A) and B) A

Question 13

EEG studies are valuable because________ .

Accepted Answer

A)  they are relatively easy to record and analyze
B)  they are noninvasive
C)  they can reveal many kinds of brain abnormalities
D)  they are noninvasive, they can reveal many kinds of brain abnormalities, and they are relatively easy to record and analyze.E) B) and C)
F) B) and D) D

Exam 18: Electroencephalography

An EEG showing either very rapid or extremely slow frequency brain waves may occur when an individual is________ .

Correct Answer
verified

This type of brain wave is normal in children, but abnormal in adults.

Correct Answer
verified

Brain waves of this type predominate when an individual is attentive and alert.

Correct Answer
verified

Which of the following EEG waves has the lowest frequency?

Correct Answer
verified

The electroencephalogram (EEG) is a recording of ________.

Correct Answer
verified

EEG activity may be recorded on ________.

Correct Answer
verified

Respiratory alkalosis results in EEG waves________ .

Correct Answer
verified

A physician may order an EEG study if the patient is suspected as having________ .

Correct Answer
verified

An EEG study may be used to diagnose _________ .

Correct Answer
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A

An alert individual has a _________.

Correct Answer
verified

Deep sleep is associated with _________ .

Correct Answer
verified

Alpha block, the suppression of alpha waves that can be seen in the EEG, occurs when ________.

Correct Answer
verified
A

EEG studies are valuable because________ .

Correct Answer
verified
D

Exam 18: Electroencephalography

An EEG showing either very rapid or extremely slow frequency brain waves may occur when an individual is________ .

Correct AnswerverifiedShow Answer

This type of brain wave is normal in children, but abnormal in adults.

Correct AnswerverifiedShow Answer

Brain waves of this type predominate when an individual is attentive and alert.

Correct AnswerverifiedShow Answer

Which of the following EEG waves has the lowest frequency?

Correct AnswerverifiedShow Answer

The electroencephalogram (EEG) is a recording of ________.

Correct AnswerverifiedShow Answer

EEG activity may be recorded on ________.

Correct AnswerverifiedShow Answer

Respiratory alkalosis results in EEG waves________ .

Correct AnswerverifiedShow Answer

A physician may order an EEG study if the patient is suspected as having________ .

Correct AnswerverifiedShow Answer

An EEG study may be used to diagnose _________ .

Correct AnswerverifiedA

An alert individual has a _________.

Correct AnswerverifiedShow Answer

Deep sleep is associated with _________ .

Correct AnswerverifiedShow Answer

Alpha block, the suppression of alpha waves that can be seen in the EEG, occurs when ________.

Correct AnswerverifiedA

EEG studies are valuable because________ .

Correct AnswerverifiedD

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A

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A

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D