This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Acrodermatitis enteropathica is due to deficiency of - 
Select and explain. 
A. Zinc, B. Manganese, C. Copper, D. Selenium
A: Zinc
Answer: A: Zinc 
Explanation: Acrodermatitis enteropathica is a rare autosomal recessive disorder characterized by abnormalities in zinc absorption. Clinical manifestations include diarrhea, alopecia, muscle wasting, depression, irritability, and a rash involving the extremities, face, and perineum . Ref - harisons 20e p2317