Individuals most likely to experience poor vitamin B-12 status are
A. athletes, due to high vitamin B-12 requirements.
B. infants, due to low vitamin B-12 content in breast milk.
C. pregnant women, due to high vitamin B-12 requirements.
D. elderly adults, due to atrophic gastritis.
Answer: D
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Vitamin D helps the body absorb ________.
A. iron and copper B. magnesium and iodine C. phosphorus and calcium D. sodium and potassium
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How is a trans fatty acid different from other unsaturated fatty acids? a. A trans fatty acid has at least two hydrogen atoms attached to each carbon atom in the chain
b. At a trans fatty acid's point of unsaturation, the hydrogens are on opposite sides of the carbon chain instead of on the same side. c. A trans fatty acid's carbon chain contains at least one double bond between two carbon atoms instead of all single bonds. d. At a trans fatty acid's point of unsaturation, the hydrogens are on the same side of the carbon chain instead of on opposite sides. e. A trans fatty acid has two additional carbon atoms and two additional hydrogen atoms.
PS is an 87-year-old male admitted to the hospital for stomach pain. He has mild breathing problems and complains of fatigue and chronic stomach upset, for which he takes daily antacid. While hospitalized, a physician has determined that PS has megaloblastic anemia.Which of the following is least likely to cause PS's anemia?
a. reduced intrinsic factor production b. lack of dietary folate intake c. lack of dietary B12 intake d. lack of dietary iron intake e. GI malabsorption