The percentage of the inheritance of obesity that is accounted for by genetic factors is about:
a. 15% to 30%.
b. 25% to 50%.
c. 35% to 70%.
d. 45% to 90%.
C
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Jermaine wants to follow the "Check Your Steps" actions for food safety. When he prepares high-risk foods, he washes his hands before and after touching food, sanitizes surfaces that come in contact with foods, cooks raw foods to their safe internal temperatures, and chills leftovers within 30 minutes after serving them. After eating one of his meals, Jermaine and his dinner guests developed a food-borne illness. Based on this information, which step did he fail to take?
A. Clean B. Pasteurize C. Separate D. Salt
Which of the following is the most effective and least costly strategy for preventing an iron deficiency?
a. Consume iron supplements at a level 2-3 times the RDA b. Switch to iron cooking utensils and eat 4 servings of red meat daily c. Eat small amounts of citrus products and increase intake of low-fat milk d. Eat small quantities of meat, fish, and poultry frequently together with liberal amounts of vegetables and legumes
All of the following are true regarding cholesterol EXCEPT:
a. it is only found in animal products. b. one-third of the cholesterol in the body comes from dietary sources. c. two-thirds of the cholesterol in the body is produced by the liver. d. it is an essential nutrient.
Which of the following minerals does not have a positive effect on blood pressure?
a. Mn b. Ca c. Mg d. K