Item1 Time Remaining 14 minutes 39 seconds00:14:39Item 1 Time Remaining 14 minutes 39 seconds00:14:39Which of the following statements is true?Multiple ChoiceVitamin D is necessary for proper collagen formation. Skin can form prohormone vitamin D after being exposed to sunlight.Excessive intakes of vitamin D cause rickets in children.Pellagra is the vitamin D deficiency disorder in adults.
Question
Item1 Time Remaining 14 minutes 39 seconds00:14:39Item 1 Time Remaining 14 minutes 39 seconds00:14:39Which of the following statements is true?Multiple ChoiceVitamin D is necessary for proper collagen formation. Skin can form prohormone vitamin D after being exposed to sunlight.Excessive intakes of vitamin D cause rickets in children.Pellagra is the vitamin D deficiency disorder in adults.
Solution
The true statement is: "Skin can form prohormone vitamin D after being exposed to sunlight."
Here's why:
- Vitamin D is not necessary for proper collagen formation. Vitamin C is the one that's necessary for collagen formation.
- Skin can indeed form prohormone vitamin D after being exposed to sunlight. This is how our body naturally gets most of its vitamin D.
- Excessive intakes of vitamin D do not cause rickets in children. On the contrary, rickets is caused by a deficiency of vitamin D, calcium, or phosphate.
- Pellagra is not a vitamin D deficiency disorder in adults. It's caused by a deficiency of niacin, also known as vitamin B3.
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