Forensic Medicine By which route of administration , least onset of action will be produced from the given options ? A Application to a serous surface B Inhalation of gaseous form C Application to a bronchotracheal mucous membrane D Injection into blood vessels 💡 Explanation By which route of administration , least onset of action will be produced from the given options ? ✓ Correct Answer: C. Application to a bronchotracheal mucous membrane