Which of the following describes fat-soluble vitamins?
A. They are absorbed directly from the GI tract into the blood via the hepatic portal vein.
B. They are readily stored in the body.
C. Excesses are excreted in the urine.
D. They form coenzymes that participate in the metabolism of carbohydrates, fat, and protein.
Answer: B
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Which of the following conditions does NOT influence vitamin D absorption?
a. altitude b. climate c. pollution d. latitude
What is the usual fate of dietary lecithin?
a. Hydrolyzed in the intestines b. Unabsorbed and passes out in the feces c. Absorbed intact and incorporated into tissues d. Absorbed intact and broken down by the liver
Which of the following is NOT known to reduce the absorption of iron?
a. Tea b. Coffee c. Sugars d. Phytates
In order to reach students and catalyze change, education should be ____
a. amusing, aggregated, and fact-based b. challenging, variegated, and results-oriented c. fun, integrated, and behaviorally based d. difficult, delegated, and detail-oriented