This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Contraindications to use of Beta Blockers 
Select and explain. 
A. Bronchial asthma, B. Hypeension, C. Tachycardia, D. Glaucoma
A: Bronchial asthma
Answer: A: Bronchial asthma 
Explanation: * Bronchial asthma is an absolute contraindication of non selective beta Blockers - as they induce bronchoconstriction by knocking off beta 2 mediated adrenergic bronchodilation. Ref:- Sharma's Principles of Pharmacology 3rd Ed; Pg No:- 191-2