A nurse is preparing an intramuscular injection for an adult. At what angle should the needle generally enter the muscle?
Correct answer: D. At 90 degrees to the skin
- A. At 15 degrees to the skin
- B. At 30 degrees to the skin
- C. At 45 degrees to the skin
- D. At 90 degrees to the skin
Explanation
An intramuscular injection is generally given at 90 degrees so the medication reaches muscle tissue. A 15-degree angle is associated with intradermal injection, while 30 and 45 degrees are commonly used for other injection depths.
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About Routes and Safe Medication Administration
Safe medication administration covers oral, sublingual, buccal, topical, inhaled, enteral, intradermal, subcutaneous and intramuscular routes, including their absorption patterns and technique. It also includes medication rights, patient identification, documentation, allergy checks, injection site selection and prevention of errors, with route selection distinguished from dosage calculation.
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