Question

Which of the following is the parenteral application of local anesthetics?

(a) When applied to the mucous membrane

(b) When applied to the skin

(c) When injected to CNS through spinal injection techniques

(d) Using ophthalmic drops

The question was asked in final exam.

Origin of the question is Mechanism of Action of Local Anesthetic topic in section Local & General Anesthetics, Opioid Analgesics, Drug Addiction and Drug Abuse of Drug Biotechnology

Answer 1

The correct option is (c) When injected to CNS through spinal injection techniques

The best explanation: Parenteral applications are injected to the CNS through various spinal injection techniques. Topical application is applied directly to the skin or mucous membranes. These can be done through creams, solutions, ointments, gels, ophthalmic drops, lozenges, suppositories, etc.