What describes the term 'intradermal' in medication administration?

• A. Injection into the bloodstream
• B. Injection into the layer of skin
• C. Injection into muscle tissue
• D. Injection beneath the skin

Answer: (B)

The term 'intradermal' refers specifically to the administration of medication into the layer of skin, known as the dermis. This method involves injecting substances just under the surface of the skin, where a small volume of medication can create a localized effect and is often used for allergy tests or vaccinations. The dermis has a rich supply of blood vessels, which allows quicker absorption compared to other administration routes that involve deeper tissues.

Understanding intradermal injections is crucial in pharmacology and medication administration, as it helps healthcare providers effectively deliver certain vaccines or perform skin testing while minimizing discomfort for the patient.