This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following is not a contraindication for timolol? \nSelect and explain. \nA. Bronchial asthma, B. Anxiety, C. MI, D. Thyrotoxicosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Timolol maleate is a non-selective beta-adrenergic receptor blocking agent. It is contraindicated in patients with bronchial asthma, a history of bronchial asthma, severe chronic obstructive pulmonary disease, thyrotoxicosis, sinus bradycardia, second or third degree atrioventricular block, ove cardiac failure, cardiogenic shock, hypersensitivity to any component of this product.', 'role': 'assistant'}]