Edema refers to ____
a. fluid retention
b. dehydration
c. PEM
d. wasting
e. hypertension
a
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You have been asked to help a top nutrition researcher conduct human double-blind experiments on vitamin C. As the subjects walk into the laboratory, you distribute all the vitamin C pill bottles to the girls and all the placebo pill bottles to the boys. The researcher instantly informs you that there are two errors in your research practice. What steps should you have taken to conduct your
experiment correctly? a. You should have given all the boys the vitamin C and all the girls the placebo, and then told them what they were getting. b. You should have distributed the bottles randomly, randomizing the subjects, and then told them what they were getting. c. You should have told the subjects which group they were in, while preventing yourself from knowing the contents of the pill bottles. d. You should have prevented yourself from knowing what was in the pill bottles, and distributed the bottles randomly to the subjects. e. You should have allowed the subjects to decide whether they take vitamin C or the placebo, and then given them the opposite of what they requested.
Which of the following is not an acceptable method for thawing a potentially hazardous food such as previously frozen meat?
A. as part of the cooking process B. at room temperature on the kitchen counter C. in a microwave oven, followed by immediate cooking D. submerged under cold running water E. in a refrigerator F. All of these are acceptable thawing methods.
What are the pads of the prickly pear cactus called?
a. tunas b. nopales c. piñon d. pulp e. pozole
Fruits and vegetables may reduce the risk of cancer for all of these reasons except _____
a. they contain phytochemicals b. many are rich in folate c. they contain nutrients that have antioxidant activity d. they are high in carbohydrate e. they reduce DNA damage