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
Which of the following is not an action of growth hormone: 
Select and explain. 
A. Anti insulin effect, B. Increased cailage formation, C. Decreased lipolysis, D. Increased protein synthesis
C: Decreased lipolysis
Answer: C: Decreased lipolysis 
Explanation: Insulin shows anti insulin effect and stimulate production of insulin like growth factor Anti insulin effect: increased lipolysis, hyperglycemia Effects mediated by insulin like growth factor: increased cailage and bone formation, increased protein synthesis and growth factor secretion, Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 556-558