In Thyrotoxicosis,f1-blockers do not control:: (A) Anxiety, (B) Tremors, (C) Tachycardia, (D) Oxygen consumption
Answer is D. Answer is D (Oxygen consumption): Betablockers do not correct the underlying metabolic abnormalities (i.e. does not affect the oxygen consumptionQ). This is why propanolol should only be used as an adjunctive therapy.