Among the following population groups, which shows the highest prevalence of lactose intolerance?
a. northern Africans
b. Caucasians
c. Scandinavians
d. Native North Americans
e. eastern Europeans
ANS: D
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One difference between type 1 and type 2 diabetes is that in type 1 diabetes _____,
a. insulin therapy is always required b. obesity is a factor c. only children are affected d. the diagnosis is based on a fasting plasma glucose of 150 mg/dL or higher e. there are few, if any, symptoms.
Which of the following can reduce your risk of developing cancer?
A. eating more vegetables and fruits B. reducing intake of red meat C. walking at least 30 minutes daily D! all of the above
Infants under the age of 1 year should avoid regular cow's milk because it _____
A) is harder to digest than the mother's milk B) can cause infectious diseases C) doesn't contain any protein D) is not readily available
Which of the following foods is not a good source of vitamin E?
A. Safflower oil B. Ground beef C. Sunflower seeds D. Olive oil