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': 'The neurotransmitters; nor-adrenaline, adrenaline and dopamine act through which of the following receptors? \nSelect and explain. \nA. Single pass transmembrane receptors, B. Four pass transmembrane receptors, C. Seven pass transmembrane receptors, D. Ligand gated receptors', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (C) Seven pass transmembrane receptors(Ref: KDT 8th/e p54, 55)These neurotransmitters (A, NA, DA) act through G-protein coupled receptors which are also known as seven-transmembrane domain receptors, heptahelical receptors and serpentine receptors.', 'role': 'assistant'}]