Which of the following is an example of enterohepatic circulation?
a. Chylomicron conversion to LDLs and HDLs
b. Recycling of bile from the intestine to the liver
c. Hormonal control of pancreatic digestive secretions
d. Liver secretion of eicosanoids that promote absorption of eicosanoid precursors
Q. 2Which vitamin is routinely given as a single dose to newborns?
a. Vitamin A b. Vitamin E
c. Vitamin K d. Vitamin B12
Q. 3Which of the following is true of over-the-counter (OTC) medications?
a. OTCs will not interact with prescription medications.
b. OTCs can cause adverse effects if not used correctly.
c. OTCs contain such low levels of active ingredients that overdose is virtually impossible.
d. OTCs do not include active ingredients and hence and remarkably safe.
Q. 4Your aunt Gladys has a family history of heart disease. She decides to begin eating a bowl of oatmeal every morning to help lower her blood cholesterol. After about a month of following this routine, her cholesterol declined about 5 points. Which of the following is the most likely explanation for this effect?
a. Oatmeal is a low-fat food and inhibits the body's synthesis of cholesterol
b. Oatmeal is high in complex fibers that inhibit cholesterol-synthesizing enzymes
c. Oatmeal consumed on a regular basis suppresses the craving for high-cholesterol foods
d. Oatmeal is high in soluble fibers that trap bile, causing the body to use more cholesterol for bile replacement
Q. 5Which of the following vitamins is synthesized by intestinal bacteria?
a. A b. E
c. K d. D
Q. 6Which of the following is true of adverse effects?
a. Most adverse effects are identified after drugs are available to consumers.
b. Only physicians can make adverse effect reports to the FDA.
c. Most adverse effects are dangerous and many are life-threatening.
d. The FDA requires periodic reports from manufacturers about adverse effects.
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