Nutrition Quiz

Vitamin D

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1. What is the synonym of Vitamin D?

The synonym of Vitamin D is calciferol.

2. Along with UVB radiation Vitamin D3 can be produced photochemically in the skin from...

Vitamin D3 is produced photochemically in the skin from 7-dehydrocholesterol.

3. The Vitamin D synthesis (production) takes place in ...

The Vitamin D synthesis (production) primarily takes place in liver and kidney.

4. In childhood a Vitamin D deficiency leads to a bone softening disease called ...

Deficiency of Vitamin D results in impaired bone mineralization, and leads to bone softening diseases called rickets in children.

5. In adults a Vitamin D deficiency leads to a disease called ...

Deficiency of Vitamin D leads to a disease called osteomalacia in adults.

6. How much is the adequate intake (AI) of Vitamin D for infants, children, men and women?

Dietary Reference Intake for adequate intake (AI) of Vitamin D for infants, children and men and women aged 19–50 is 5 micrograms/day (200 IU/day).

7. Which food has the highest Vitamin D content?

With about 330 micrograms / 100 grams Cod liver oil has the highest Vitamin D content.

8. Which hormone increases the synthesis of Vitamin D?

The parathyroid hormone - produced in the parathyroid glands - increases the synthesis of Vitamin D.

9. What is the main task of Vitamin D in the human body?

Vitamin D provides a variety of ways for greater storage of calcium in the bone matrix. It "participates" in intestine, bone, kidney and parathyroid glands.

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