What is stroke volume? what happens to it in the physically fit person? what happens to it in the person who isn't physically fit?

Which of these best describe the perceived body image of a person suffering from anorexia nervosa? a.accurate b.healthy c.normal d.overweight

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

How you feel when someone is boastful and self absorbed when providing you a professional service? why?