A client with allergy has been advised to have an allergy test. The nurse needs to administer an injection to the client for allergy testing. Which of the following injection routes is most suitable for allergy testing?
A) Subcutaneous
B) Intramuscular
C) Intradermal
D) Intravenous
Ans: C
Intradermal injection routes are commonly used for tuberculin tests and allergy testing because they are administered between the layers of the skin. A subcutaneous injection is not suitable because it is administered more deeply than an intradermal injection; whereas, an intramuscular injection is administered in one muscle or muscle group. Intravenous injection is also not suitable because it is instilled into veins.
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