system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is beta (b2) antagonistic:
assistant
The correct answer is  (Butoxamine): Ref: 125-KDT (136-KDT 6th)CLASSIFICATION OF b ADRENERGIC BLOCKING AGENTSNonselectgive (b1 and b2)Cardio selective (b1)Selective (b2)a. without intrinsic sympatho mimetic activity- Propranolol, sotalol, timololMetoprololButoxamine ICI 118551Atenolol Acebutolol b. With intrinsic sympathomimetic activity- PindololBisoprolol Esmolol Betaxolol c. With additional a blocking property Labetalol, carvediololCarvedilol