Need help with three questions.

31. Which fats are considered "essential fatty acids"?

A. Saturated Fats
B. Unsaturated Fats <------
C. Trans Fatty Acids
D. All The Above

16. The treatment plan for immediate relief of muscle strains and sprains is.

A. RAISE
B. RICE
C. REM
D. none of the above.

22. Your exercise results will be better and you will be able to achieve your fitness goals if you change your routine every:

A. two or three weeks
B. four to six weeks
C. six months
D. Daily