This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Pharmacology, Subject name: Pharmacology
[{'content': 'Insulin act via which receptor: \nSelect and explain. \nA. Ionotropic receptor, B. Enzymatic receptor, C. Metabotropic receptor, D. Nuclear receptor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Enzymatic receptorInsulin acts by stimulation of tyrosine kinase receptor which is type of enzymatic receptor. T3 and T4 act via nuclear receptor. GABA and NMDA are the ionotropic receptors.', 'role': 'assistant'}]