Which of the following routines represents the most appropriate form of exercise that a person
should participate in at the beginning of a fitness program?
O
Vigorous aerobic dance three times a week
Brisk walking for thirty minutes three times a week
Running three to five miles two times a week
Swimming for one hour five times a week

Agroup of 50 adult male humans were in a clinical study to determine how much niacin is toxic. during the first two weeks of the study, members of the group consumed only a formula diet that was nutritionally complete, except it contained 24 mg niacin, which is 1.5 times the rda for niacin (males). at that point in the study, all members reported feeling fine. during the next week, they were given a formula that contained 48 mg niacin. within a few days of consuming this formula, 90% of the participants reported feeling ill, and they complained of having upset stomachs and reddened facial skin. at that point, researchers gave the subjects a formula that contain 16 mg niacin. after a week of consuming the new formula, all participants reported feeling well again. based on this information, the researchers concluded that the amdr for niacin is between 16 and 24 mg/day. ul for niacin was between 24 and 48 mg/day. human requirement for niacin is 16 mg/day. eer for niacin was 16 mg/day.

Outdoor and indoor equipment must include a. only toys that are soft. b. equipment that is age-appropriate and developmentally appropriate. c. areas that allow children to play together. d. high toys that allow children to practice gross motor skills.

During weight training, when should you exhale? (hope) a. on the lift b. on the recovery c. before the set d. after the set