This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
Which of the following is not administered by intra dermal route? 
Select and explain. 
A. BCG, B. Insulin, C. Mantoux, D. Drug sensitivity injection
B: Insulin
Answer: B: Insulin 
Explanation: Insulin is administered subcutaneously. MMR vaccine, heparin are also given by SC route All others are by intradermal route. (Ref.Essentials of medical pharmacology TD Tripathi 6th edition page no.263)