There is no RDA for Vitamin D. The AI is based on the assumption that individuals do not get enough sun exposure. What are the most significant factors that affect the body’s ability to make Vitamin D from sunlight?
A. Age and diet
B. Use of sunscreen.
C. Latitude and time of year
D. None of the above.
Answer : Age and diet or Latitude and time of year
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Which of the following is a feature of the use of artificial sweeteners to control body weight?
a. They may lead to weight gain in some people. b. They automatically lower a person's daily energy intake. c. They delay gastric emptying time, leading to enhanced satiety. d. They trigger epinephrine secretion, which suppresses appetite. e. They increase release of endogenous opiates. ANS: A
The successful management of agricultural resources to satisfy changing human needs while maintaining the natural resource base and avoiding environmental degradation is known as ____
a. sustainable development b. genetic engineering c. the green revolution d. industrialization
Which hormone stimulates milk production in the breasts during lactation?
A. norepinephrine B. antidiuretic hormone C. prolactin D. oxytocin
If a nursing mother consumes 1 to 2 drinks of alcohol, when is it safe to breastfeed?
A. 1 hour after last drink B. 30 minutes after last drink C. 2 hours after last drink D. She should not breastfeed at all if she chooses to drink.