In a(n) ____ study, groups of people are studied to examine the relationship between exposure and disease
a. trend
b. ecological
c. cohort
d. case-control
b
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The finding that "women who become pregnant unexpectedly are less likely to breastfeed their infants than women whose pregnancies are planned" illustrates how ____ factors influence health and wellness
a. motivational b. cultural c. lifestyle d. social
John is 35 and interested in gaining muscle mass and decides to check out the nutritional supplements at the local health food store. The clerk approaches him wearing a white lab coat; this immediately impresses John, who now thinks that the clerk is well informed. John explains that his goal is to gain the maximum muscle mass in the shortest time. The clerk is eager to assist John and says, "Let
me show you the products that will benefit you most." Let's see if the clerk really knows what ergogenic aids are all about by answering these questions.The clerk suggests that John look into anabolic steroids to give him the quickest results. What would you say to John about this? a. Steroids do not help build muscle. b. Excess amino acids from steroids are converted to fat. c. Steroids can lead to liver abnormalities. d. Steroids can cause diarrhea. e. Steroids help prevent male-pattern baldness.
According to the RDA for calcium, a 40-year-old healthy female should consume ________ mg of calcium daily.
A. 2500 B. 800 C. 1000 D. 1200
You read on the Internet that aspartame is very bad for people with PKU. What is PKU, and should this affect your decision to use this sweetener?