The type of study that is used in assessing nutritional habits, disease trends, and other health phenomena of large populations, and in determining factors that influence those phenomena, is called a(n)
A. case-controlled study.
B. clinical trial.
C. observational study.
D. animal study.
Answer: C
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Discuss the meaning and significance of the relationships between risk factors and chronic diseases
What will be an ideal response?
The set-point theory suggests that when a person is on a restrictive diet, the body responds by initiating physiological changes that
A) increase the thermic effect of food. B) slow down the basal metabolic rate. C) increase the basal metabolic rate. D) increase fidgeting and other spontaneous physical activity.
If a food allergy is suspected, what information is NOT needed?
a. Whether the infant had been ill prior to problems arising b. Laboratory tests to confirm specific allergies during infancy c. Whether any other family members have food allergies d. Whether wheat, eggs, or peanut butter have been introduced into the infant's diet
According to the Dietary Guidelines, what proportion of grain servings should be consumed from whole-grain sources?
a. 100 percent b. 75 percent c. 50 percent d. 33 percent e. 25 percent