This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
Drug not to be given in ishchemic hea disease 
Select and explain. 
A. Atenolol, B. ACE inhibitor, C. Isopreterenol, D. Streptokinase
C: Isopreterenol
Answer: C: Isopreterenol 
Explanation: Refer kDT 6/e p547 Isopreterenol is a beta adrenergic agonists and is contraindicated in ishchemic hea disease. As it can increase myocardial oxygen demand by causing tachycardia