Vitamin A and D Quiz

Which of the following is an active form of Vitamin A?

• Retinol

• Ergocalciferol

• Cholecalciferol

• Calcitriol

Vitamin A is mainly stored in which part of the body?

• Kidney

• Skin

• Liver

• Muscle

Wald's visual cycle is associated with which vitamin?

• Vitamin B1

• Vitamin A

• Vitamin D

• Vitamin E

Which form of Vitamin A is directly involved in vision?

• Retinol

• Retinal

• Retinoic acid

• Carotene

Which of the following is a symptom of Vitamin A deficiency?

• Scurvy

• Night blindness

• Beriberi

• Pellagra

Bitot’s spots are seen in deficiency of?

• Vitamin A

• Vitamin D

• Vitamin C

• Vitamin B2

Which of the following is NOT a source of Vitamin A?

• Liver

• Carrots

• Spinach

• Potatoes

Vitamin A toxicity can lead to?

• Rickets

• Hair loss

• Scurvy

• Anemia

The RDA of Vitamin A for adults is approximately?

• 100 µg/day

• 300 µg/day

• 700-900 µg/day

• 1500 µg/day

Which of the following is an antioxidant form of Vitamin A?

• Retinal

• Retinol

• Beta-carotene

• Retinoic acid