Medical Quiz

Consciousness and Sleep Quiz


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The difference between a sleep disturbance and a sleep disorder is

A. whether it occurs every night

B. whether the person has been diagnosed

C. whether it causes significant impairment to every day life in normal waking hours

D. whether the sleep disorder is primary or secondary


A limitation of the evolutionary theory of sleep is:

A. it does not explain why we need to sleep at night time

B. it does not explain exactly what is restored during sleep

C. it does not account for why we need to sleep at all

D. it does not account for the fact that we might be less vulnerable to predators when we sleep


A circadian rhythm occurs _____ every 24 hours, whereas an ultradian rhythm occurs _____ every 24 hours.

A. once; more than once

B. more than once; once

C. once; twice

D. twice; once


Which of the following is NOT TRUE about Circadian Rhythm Phase Disorders?

A. they involve a mismatch the individual’s sleep wake pattern and the pattern that is desired or required

B. the adolescent sleep-wake shift, jet lag, and shift-work disorder are all types of circadian rhythm phase disorders

C. they are characterised by inappropriate physiological and psychological behaviours that occur while sleeping

D. people with these disorders often complain of not being able to sleep when needed, or wake up when needed


Which of the following is NOT true about Bright Light Therapy?

A. The patient is required to stare directly into a light source for a certain amount of time each day

B. It can be used to reset the biological clock to a sleep pattern that is desired or required

C. It involves exposing the patient to intense but safe amounts of light

D. It requires a number of sessions over multiple days to reset the sleep wake cycle to a desired pattern


Compared to adolescents, an elderly person would be likely to have:

A. more deep sleep but less total sleep

B. less deep sleep but more total sleep

C. fewer night-time awakenings and more total sleep

D. more night-time awakenings and less total sleep


According to Dawson and Reid (1997):

A. Being sleep deprived for 24 hours gives a person a BAC of 0.10

B. Being sleep deprived for 17 hours gives a person a BAC of 0.05

C. Being sleep deprived for 17 hours gives a person similar performance to that of a person with a BAC of 0.05

D. Being sleep deprived for 17 hours gives a person similar performance to that of a person with a BAC of 0.10


In a typical nights’ sleep, _________ tend to dominate in the first half of the night, while ______ tend to dominate in the second half of the night.

A. REM; NREM

B. NREM 3 and 4; REM and NREM 2

C. NREM 3 and 4; NREM 1 and 2

D. NREM 1 and 2; NREM 3 and 4


Which of the following is an affective symptom of sleep deprivation?

A. sleep inertia

B. microsleep

C. impaired decision making

D. amplified emotional responses


The EEG, EOG and EMG detect, amplify and record electrical activity in the _____, _____, and _____ respectively.

A. brain, eyes, muscles

B. brain, muscles that control the eyes, muscles

C. eyes, brain, muscles

D. muscles that control the eyes, brain, muscles


Sleep inertia is most likely to be experienced during:

A. awakening

B. sleep onset

C. REM sleep

D. NREM sleep


Shift work disorder is least likely to occur when:

A. the roster rotates quickly from one shift to another

B. the roster rotates slowly from one shift type to another

C. the roster rotates every 3 days

D. the shift-worker avoids context-dependent cues


Travelling west is “best” for minimising jet lag because

A. you travel in the same direction as the sun, making the day shorter

B. you travel in the opposite direction to the sun, making the day longer

C. it makes the day shorter, which we are better at adapting to

D. it makes the day longer, which we are better at adapting to


Compared to NWC, a person in an ASC would be likely to have:

A. fewer content limitations; less self control

B. more content limitations; less self-control

C. fewer content limitations; accurate time orientation

D. more content limitations; accurate time orientation


Which of the following measures of consciousness is subjective?

A. Electroencephalograph

B. Sleep diary

C. Tests of speed and accuracy

D. Electromyograph




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