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': 'Physiological antagonism is found in \nSelect and explain. \nA. Isoprenaline and salbutamol, B. Isoprenaline and adrenaline, C. Isoprenaline and propanolol, D. Adrenaline and histamine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ref ; KD Tripathi pharmacology 7th edition (page no; 58) Physiological/functional antagonism; The two drugs act on different receptors or by different mechanisms but have opposite ove effects on the same physiological function, i. e . have pharmacological effects in the opposite direction, e.g.Histamine and adrenaline on bronchial muscles and BP Hydrochlorothiazide and triamterene on urinary k+ excretion Glucagon and insulin on blood sugar level. Ref: KD Tripathi 8th ed', 'role': 'assistant'}]