A trace mineral is found in amounts less than or equal to _____ in the adult reference body.?
A) 1 milligram
B) 5 Kilograms
C) 5 grams
D) 7 grams
E) None of the above
C
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Nutrient-drug interactions caused by antacids used to treat GERD are most likely to result in ____.?
A) ?poor absorption of nutrients such as iron B) ?poor absorption of the drug when taken with grapefruit C) ?enhanced metabolism of the drug, rendering it less effective when taken on an empty stomach D) ?enhanced excretion of potassium and other electrolytes
Which of the following is a feature of magnesium in nutrition?
a. Toxicity is common in people taking diuretics b. High intakes interfere with stability of tooth enamel c. The amounts present in hard water are poorly utilized d. Average intakes from food are below recommendations
Which of the physiological buffers is able to neutralize both acids and bases??
A) ?bicarbonate-carbonic acid system B) ?hydrochloric acid system C) ?phosphates D) ?proteins
Which mineral is part of the green chlorophyll pigment in green leafy vegetables??
A) ?magnesium B) ?sodium C) ?potassium D) ?sulfur