
Understanding the Sleep Cycle
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary misconception about the brain's activity during sleep?
The brain only processes dreams.
The brain is more active than when awake.
The brain is completely inactive.
The brain stops producing electrical signals.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What device do researchers use to study brain activity during sleep?
PET Scan
EEG
CT Scan
MRI
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of brain waves are associated with being awake and alert?
Alpha waves
Delta waves
Theta waves
Beta waves
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the characteristics of Stage 1 sleep?
Delta waves and deep sleep
Theta waves and hypnogogic sensations
Rapid eye movement and vivid dreams
High frequency, high amplitude waves
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unique features are observed in Stage 2 sleep?
Hypnogogic sensations and theta waves
Sleep spindles and K complexes
Delta waves and muscle atonia
Beta waves and alertness
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of Stage 3 sleep?
Memory consolidation
Blocking external stimuli
Physical restoration
Dreaming
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of brain waves are dominant during deep sleep?
Delta waves
Theta waves
Beta waves
Alpha waves
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