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PRACTICING FOR NCLEX

MULTIPLE CHOICE QUESTIONS

Circle the letter that corresponds to the best

answer for each question.

1.You notice that a patient admitted to your

unit sleeps for an abnormally long time. This

patient may have suffered damage to which

of the following areas of the brain?

a.Cerebral cortex

b.Hypothalamus

c.Medulla

d.Midbrain

2.Wakefulness occurs when which of the follow-

ing is activated with stimuli from the cerebral

cortex and peripheral sensory organs?

a.Reticular activating system

b.Bulbar synchronizing region

c.Circadian rhythm

d.Medulla

3.Which of the following is a characteristic of

REM sleep?

a.Small muscles are immobile, as in paralysis.

b.Pulse is slow and regular.

c.Body temperature decreases.

d.Eyes dart back and forth quickly.

4.When an individual’s sleep–wake patterns

follow the inner biologic clock, which of the

following conditions exists?

a.Circadian rhythm

b.Circadian synchronization

c.Bulbar synchronization

d.Sleep cycle

5.Which of the following instruments receives

and records electrical currents from the

brain?

a.Electroencephalograph

b.Electrooculogram

c.Electromyograph

d.Electrocardiogram

6.The arousal threshold is usually greatest in

which of the following stages of NREM sleep?

a.Stage I

b.Stage II

c.Stage III

d.Stage IV

7.In normal adults, the REM state consumes

what percentage of nightly sleep?

a.5% to 10%

b.10% to 20%

c.20% to 25%

d.25% to 35%

8.On which of the following patients should a

sleep history be obtained?

a.Only patients who have been suffering

from a sleep disorder

b.Patients who suffer from a sleep disorder or

have been unconscious

c.Patients who suffer from a sleep disorder or

who are spending time in the CCU

d.All patients admitted to a healthcare

agency

CHAPTER^34

Rest and Sleep

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