This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid, Subject name: Surgery
[{'content': 'In thyrotoxicosis, b-blockers do not control: \nSelect and explain. \nA. Anxiety, B. Tremors, C. Tachycardia, D. Oxygen consumption', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Beta-blockers do not correct the underlying metabolic abnormalities (i.e. does not affect the oxygen consumption) Beta-Blocker in Thyrotoxicosis Advantages Limitations Alletes adrenergic manifestations: Sweating, tremor Tachycardia, palpitations Nervousness, anxiety Beta-blockers do not significantly affect the thyroid status, it reduces to some extent the conversion of T4 and T3. Beta-blockers do not correct the underlying metabolic abnormalities (i.e. does not affect the oxygen consumption)', 'role': 'assistant'}]