Which of the following compounds is not secreted by the human stomach?
A. Intrinsic factor
B. Gastric juice
C. Mucus
D. Bile
Answer: D
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Josh was a participant in a clinical study to determine how much thiamin cures beriberi, the vitamin's deficiency disease. During the study, Josh consumed only a formula diet that was nutritionally complete, except it did not contain thiamin. Within a few weeks, Josh developed beriberi. At that point, researchers gave 0.20 mg thiamin to Josh each day for a week, but his signs and symptoms of beriberi remained. In the weeks that followed, the scientists continued to increase Josh's intake of the vitamin by 0.2 mg/week. After a week of taking 0.6 mg of thiamin/day, Josh reported feeling much better. Based on this information, the researchers concluded that Josh's
A. RDA for thiamin was 0.6 mg/day. B. AMDR for thiamin was between 0.2 and 0.6 mg/day. C. requirement for thiamin was at least 0.6 mg/day. D. requirement for thiamin was 0.20 mg/day.
The causes of hypertension in the vast majority of individuals are well understood
Indicate whether the statement is true or false
Approximately _____% to _____% of the calories in a balanced diet come from fat
a. 2, 15 b. 10, 35 c. 20, 35 d. 50, 65
A team of scientists extracts a chemical that they call "Zombia" from the leaves of a common house plant. One of the scientists would like to market Zombia as a dietary supplement because it makes people sleepy when it's injected into them. Based on this information, Zombia
A. cannot be marketed as a dietary supplement. B. cannot be marketed as a dietary supplement because its source is widespread in nature. C. can be marketed as a dietary supplement because it's from a plant. D. can be marketed as a dietary supplement, but only if it's promoted as a conventional food item.