17. Calcium absorption depends on adequate levels of the "sunshine" vitamin also known as vitamin a....

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17. Calcium absorption depends on adequate levels of the sunshine vitamin also known as vitamin a. A b. D C. d. K 18. The ancient Egyptians new liver extract cured night blindness. Vitamin_ found in high amounts in liver was responsible for this effect. a. A b. D C. d. K 19, Vitamin toxicities usually are associated with a. eating a variety of foods b. over-supplementation c. vegetarianism d. drinking too much water 20. Pica, a craving for nonfood or non-nutrient items, is often seen as a symptom of -deficiency anemia. a. iron b. iodine c. calcium d. potassium 21. Calcium, phosphorus and_are the primary structural components of bones and teeth. a. chloride b. sodium c. chromiunm d. magnesium

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Answer 1

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17 ans. (b)vitamin d as it increases intestinal calcium absorption

.18 ans (a) vitamin A it reduces night blindness.

19ans.(b) over supplementation

20ans.(a) iron deficiency anemia.

21ans.(d) magnesium

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Answer 2

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