This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Phrynoderma is due to ...deficiency- 
Select and explain. 
A. Vitamin D, B. Niacin, C. Vitamin A, D. Essential fatty acid
D: Essential fatty acid
Answer: D: Essential fatty acid 
Explanation: Ans. is 'd' i.e., Essential fatty acid In vitamin 'A' deficiency there is toad like skin also known as phrynoderma. o But this is due to associated deficiency of essential fatty acids.