This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
drugs acting tyrosin receptor is ? 
Select and explain. 
A. TRH, B. TSH, C. INSULIN, D. MSH
C: INSULIN
Answer: C: INSULIN 
Explanation: TYROSINE KINASE RECEPTORS ARE: IGF1 EGFR{HER-1} VEGFR INSULIN RECEPTOR HER-2 REF: KD TRIPATHI 8TH ED