This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Drugs used in unstable angina are all except ? 
Select and explain. 
A. Intravenous heparin, B. Aspirin, C. Intravenous nitroglycerin, D. Lidocaine by bolus infusion
D: Lidocaine by bolus infusion
Answer: D: Lidocaine by bolus infusion 
Explanation: Ans. is 'd' i.e., Lidocaine by bolus infusion