This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Adrenergic System, Subject name: Pharmacology
[{'content': 'Beta blockers are contraindicated in? \nSelect and explain. \nA. Decompensated CCF, B. Asthma, C. Atherosclerosis, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) All of the aboveREF: KDT 6th edp.139CONTRAINDICATIONS OF BETA BLOCKERS:Decompensated CCFBradycardia , HR< 60/minCOPD , AsthmaVariant anginaCarbohydrate intoleranceHyperlipidemiaAtherosclerosisPartial and complete heart block* Raynauds disease', 'role': 'assistant'}]