In which of the following ways is exercise effective in reducing risk of cardiovascular disease?
a. Moderate reduction of blood pressure if hypertensive
b. Moderate reduction of blood lipids if elevated
c. Reduction of weight if overweight or obese
d. All of the above
d
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What is the weight classification assigned both to young women with 30 percent body fat and young men with 20 percent body fat??
A) ?obese B) ?normal C) ?mildly overweight D) ?slightly underweight
After years of heavy drinking, cirrhosis can damage the _____
a. mouth b. heart c. liver d. pancreas
During a muscle contraction, what happens immediately after calcium binds to troponin?
A) Myosin detaches from actin. B) Troponin pushes tropomyosin away, exposing binding sites on actin. C) Acrossbridge is formed. D) The power stroke occurs.
A condition that increases the likelihood of iron deficiency in older people is
a. lack of intrinsic factor. b. loss of iron due to menopause. c. blood loss from yearly physical testing procedures. d. poor iron absorption due to reduced stomach acid secretion and/or use of antacids. e. the body's need for iron increases well into old age.