WorksheetsBiological Rhythms and Sleep Quiz
Total questions: 15
Worksheet time: 8mins
What are the three main categories of biological rhythms?
Ultradian, Diurnal, Seasonal
Circadian, Diurnal, Nocturnal
Infradian, Diurnal, Circadian
Circadian, Ultradian, Infradian
Circadian rhythms occur approximately every:
12 hours
24 hours
48 hours
7 days
Which type of rhythm occurs more than once each day?
Ultradian
Circadian
Diurnal
Infradian
Infradian rhythms occur:
Once a year
Once a month or season
Once a week
Once a day
Which of the following is an effect of sleep deprivation?
Enhanced mood
Increased energy levels
Decreased immune efficiency
Improved concentration
What is the role of the hypothalamus in sleep?
It produces melatonin
It controls breathing
It regulates body temperature
It monitors light/dark in the environment
Melatonin levels in the body:
Remain constant throughout the day
Increase during the night
Decrease during the night
Increase with exposure to morning light
What does an ElectroEncephaloGraph (EEG) record?
Heart rate
Brain waves
Blood pressure
Body temperature
Stage 1 sleep is characterized by:
Rapid eye movement
Deep sleep
Slowed breathing and irregular brain waves
Increased heart rate
What develops during Stage 2 sleep?
Delta waves
EEG spindles
REM sleep
Increased heart rate
Stages 3 and 4 of sleep are known for:
Increase in delta waves
Light sleep
Dreaming
Rapid eye movement
REM sleep is characterized by:
Rapid eye movement and dreaming
Increased muscle activity
Slow brain waves
Decreased heart rate
Which of the following is NOT a characteristic of N-REM sleep?
Stage 1
REM sleep
Stage 2
Stage 3
Which hormone helps regulate daily biological rhythms?
Insulin
Melatonin
Cortisol
Adrenaline
Which of the following is a safety issue related to sleep deprivation?
Accident risk
Enhanced memory
Increased alertness
Improved reflexes
