and Safety Scenarios Practice
Questions with Correct Answers
(VERIFIED)
Sleep—ANSWER--A reversible state of reduced responsiveness to the environment
Circadian Rhythm—ANSWER--The body's internal 24-hour clock regulating sleep and wake
cycles
Homeostatic Sleep Drive—ANSWER--The pressure to sleep that increases the longer you stay
awake
REM Sleep—ANSWER--Stage of sleep with rapid eye movements, dreaming, and muscle
atonia
NREM Sleep—ANSWER--Non-REM sleep consisting of stages N1, N2, and N3
Sleep Latency—ANSWER--Time it takes to fall asleep after lights out
Sleep Efficiency—ANSWER--(Total Sleep Time ÷ Time in Bed) × 100
N1 Sleep—ANSWER--Lightest sleep; slow rolling eye movements; easily awakened
N2 Sleep—ANSWER--Characterized by sleep spindles and K-complexes
N3 Sleep—ANSWER--Deep sleep; delta waves; restorative sleep