This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
The syndrome of growth failure, rash, and hypogonadism is due to deficiency of 
Select and explain. 
A. Calcium, B. Copper, C. Zinc, D. Magnesium
C: Zinc
Answer: C: Zinc 
Explanation: Zinc deficiency- A condition caused by inadequate dietary ingestion of zinc, and characterized by dermatitis, diarrhea, delayed hypersensitivity response, fatigue, hair loss, loss of taste, difficult pregnancy, retarded growth, hypogonadism, poor wound healing, and in children, stunted growth and sexual development.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-492