As cited in the text, which of the following behavioral patterns doubles the risk of heart disease?
a. sedentary lifestyle
b. diet
c. Type A behavior pattern
d. overwork
e. job stress
Question 2
Which of the following best describes REM sleep?
a. The deepest level of sleep
b. A state of light sleep with thought-like dreams
c. Dream sleep accompanied by increased muscle activity d. State of resting quietly with the eyes closed
e. Sleep in which the brain becomes more active but muscle activity is blocked