Stage 2 sleep is characterized by _________________.
 |
delta wave activity; |
 |
beta wave activity; |
 |
high frequency, sleep spindles; |
 |
a reduction in breathing, heart rate, muscle tone, and temperature; |
 |
both c and d are correct; |
CORRECT - Yes, stage 2 sleep is characterized by both sleep spindles and a reduction in breathing, heart rate, muscle tone, and temperature.
[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]