CRNE Canadian Registered Nurse

Category - Wellness

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A client with pernicious anemia is ordered to have a monthly intramuscular injection. When the nurse is asked by the client which muscle is the best site for injection, the nurse knows that it is the:

Deltoid
Gluteus maximus
Vastus lateralis
Dorso-gluteal

Explanation

Answer: C - Because the vastus lateralis has no major nerves or blood vessels, it is the best muscle to use for regular intramuscular injections in adults. This is located on the lateral side of the thigh. Intramuscular injections into the gluteus maximus and dorso-gluteal muscles may injure the sciatic nerve. Some adults may not have well-developed deltoid muscles.

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