Intradermal (ID) injectionsare deliveredinto the dermis (just below the epidermis).
Used forallergy testing, tuberculosis (TB) testing, and some vaccines.
Theneedle angle is 10–15 degrees, and only asmall volume (0.1 mL – 0.5 mL)is injected.
Why Other Options Are Incorrect:
A. Intraperitoneal?❌Injected into theperitoneal cavity, used in animal research.
B. Intravenous (IV)?❌Injected into aveinfor rapid drug action.
C. Intramuscular (IM)?❌Injecteddeep into the muscle(e.g., vaccines, pain medications).
????Reference:CDC Injection Guidelines, PTCE Exam Study Guide.
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