Maria has been asked to be a subject in a study to determine if additional vitamin A will promote the growth of healthy, strong fingernails. Since she wants the study to be as close to the ideal nutrition intervention study as possible, she will want to be sure that:
a. only the researcher knows which participants receive vitamin A.
b. all of the participants are between 18 and 25 years of age.
c. her chances of getting vitamin A are better than those of anyone else.
d. half of the participants get something that looks like additional vitamin A but isn't.
Q. 2Since we know that if someone takes in more kcalories than they use they will gain weight, this is considered to be an example of a _____.
a. positive correlation
b. simple relationship
c. complex correlation
d. cause-and-effect relationship
Q. 3In applying the scientific method, it is important that the observation is _____ and _____.
a. accurate, complete
b. simple, repeated
c. interesting, useful
d. noteworthy, expected
Q. 4After making a precise observation, the next step in testing theories using the scientific method would be to _____.
a. conduct experiments
b. propose a hypothesis
c. make an observation
d. draft the conclusions
Q. 5Mr. Sawyer has type 2 diabetes, as did his father. He weighs about 30 pounds more than he should, due in part to his love of sweets. He often has dessert with lunch and dinner. He is employed full-time as a highway construction worker and has health insurance. What type of nutrition-health relationship is this?
a. Simple because he has only one disease
b. Simple because his diabetes is hereditary rather than diet related
c. Complex because he is overweight and diabetic
d. Complex because he is genetically predisposed to develop diabetes
Q. 6A convenience meal contains 20 g of fat, 32 g of carbohydrate, and 19 g of protein. How many kcalories does the meal provide?
a. 284
b. 384
c. 479
d. 544
Q. 7Jen is considering following a 1500-kcalorie diet that includes 500 kcalories from carbohydrates. This diet _____.
a. provides the recommended amount of carbohydrate
b. is acceptable if the protein intake is roughly 10-35 of kcalories
c. is acceptable if the fat content is roughly 10-15 of kcalories
d. provides less than the recommended amount of carbohydrate
Q. 8If Joe requires 2800 kcalories per day, about how many of those kcalories should come from fat or lipids?
a. 280-550
b. 560-980
c. 1000-1150
d. 1260-1820
Quick Reply
