Men are at greater risk than women for developing coronary heart disease until about what age?
a. 40
b. 50
c. 65
d. 80
e. none of the above; men at all ages are at greater risk
Question 2
Regarding REM sleep, which of the following statements is FALSE?
a. REM sleep is also called active sleep because the brain is more active during REM than NREM.
b. During REM sleep, muscle activity is blocked almost to the point of paralysis.
c. REM sleep is also called paradoxical sleep.
d. All dreams occur during REM sleep.
e. During REM sleep, a person's eyes dart about under the closed eyelids.