Consider the following statements about vitamins: 1. Vitamin A is fat-soluble. 2. Vitamin C is water-soluble. 3. Vitamin D can be synthesized in the skin by sunlight. Which of the above is/are correct? MCQ with Answer and Explanation
Consider the following statements about vitamins:
1. Vitamin A is fat-soluble.
2. Vitamin C is water-soluble.
3. Vitamin D can be synthesized in the skin by sunlight.
Which of the above is/are correct?
A. 1 and 2 only
B. 1, 2, and 3
C. 1 and 3 only
D. 2 and 3 only
Answer: Option B
Solution (By JKExamLibrary)
All three are correct: A is fat-soluble, C is water-soluble, D is synthesized in skin from cholesterol derivatives upon UV exposure.
Explanation:
Vitamin C deficiency causes scurvy, marked by bleeding gums, poor wound healing, and anemia. Vitamin A deficiency causes night blindness. Vitamin B₁ deficiency causes beriberi. Vitamin D deficiency causes rickets/osteomalacia. Pellagra is due to niacin deficiency. Thus, the correct match is Vitamin C - Scurvy.
Explanation:
Kwashiorkor results from severe protein deficiency with adequate calories, causing edema, pot belly, and skin lesions. Marasmus is overall calorie deficiency, beriberi thiamine.
Explanation:
Thrombopoietin, which stimulates platelet production, is primarily produced by the liver and to some extent by the kidney. Erythropoietin is mainly from kidneys.
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