This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
All of the following agents are useful in acromegaly EXCEPT: 
Select and explain. 
A. Bromocriptine, B. Somatostatin, C. Octreotide, D. Nafarelin
D: Nafarelin
Answer: D: Nafarelin 
Explanation: (Ref: KDT 6/e p239) Nafarelin is a GnRH agonist. It has no role in acromegaly.