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: Medicine
Deficiency of which of the following causes perioral rash, gonadal atrophy, neuritis and pigmentation of skin crease ? 
Select and explain. 
A. Zinc, B. Copper, C. Selenium, D. Magnesium
A: Zinc
Answer: A: Zinc 
Explanation: The condition described is acrodermatitis enteropathica.