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: Physiology
In diseases of growth hormone cell death occurs by - 
Select and explain. 
A. Aging, B. Apoptosis, C. Necrosis, D. All of the above
B: Apoptosis
Answer: B: Apoptosis 
Explanation: Ans. is'b'i.e., ApoptosisGH and IGF-I (somatomedin) inhibit cell death by apoptosis.Thus, GH deficiency will cause accelerated apoptosis.