This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pharmacology
Which of the following is not administered by intradermal route 
Select and explain. 
A. BCG, B. Insulin, C. Mantoux, D. Drug sensitivity injection
B: Insulin
Answer: B: Insulin 
Explanation: Refer KDT 6/e p259 Insulin is admistered by s,.c route Insulin is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body.