Unit V - Consciousness

Sleep spindles and k-complexes occur during which sleep stage?

• stage 1 NREM
• stage 2 NREM
• stage 3 NREM
• REM

Which scan would give us a view of the brain waves occurring during sleep?

• EEG
• MRI
• PET
• CAT

What sleep disorder includes many periods or episodes during the night when the subject stops breathing? Some times hundreds of times per night.

• Sleep Apnea
• Insomnia
• Narcolepsy
• Night Terrors

What sleep disorder is characterized by the inability to sleep or stay asleep?

• Narcolepsy
• Apnea
• Insomnia
• Hypersomnia

__________  refers to an increased percentage of time spent in REM sleep when we are deprived of REM sleep on the previous night.

• REM deprivation
• REM sleep
• REM rebound
• REM extension

During sleep, your brain rests. 

• TRUE
• FALSE

Which of the following is NOT a characteristic of REM sleep?

• Delta waves

• Increased heart rate

• Vivid dreams

• Paralysis

A relatively rare condition that involves irresistible attacks of sleepiness, brief periods of REM, and often muscle paralysis is called:

• Cataplexy
• Benzodiazepines
• Sleep Apnea
• Narcolepsy

REM sleep is also known as paradoxical sleep because:

• Measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving.
• Measures of the brain activity closely resemble waking consciousness, but the person is in the deepest stage of sleep.
• The person’s heart rate is slower than when awake, but the person can sleepwalk or sleep talk.
• The person’s vital signs are very slow, but the person can get up and walk around.

A person experiences blind panic, screaming, and thrashing around while sleeping. This episode is called:

• Nightmares
• A sleep terror
• Night terrors
• Dreaming