Practice Question
A nurse plans to administer an intramuscular injection to an obese patient. What muscle should the nurse consider the least desirable site for an intramuscular injection in an obese adult?
Answer Choices:
Correct Answer:
Dorsogluteal
Rationale:
🔶The dorsogluteal site is least desirable for IM injections due to proximity to the sciatic nerve and major blood vessels, increasing risk of injury.
🔶In obese patients, excess adipose tissue makes it difficult to ensure the medication reaches the muscle layer, leading to ineffective absorption.
🔶Preferred sites include the ventrogluteal and vastus lateralis muscles, which are safer and more consistent in muscle depth.
🔶Avoiding this site reduces the risk of nerve damage, pain, and hematoma formation.
🔶Evidence-based guidelines recommend ventrogluteal as the safest IM site for adults.
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This question is from Custom NUR 112 FA25 Exam#6 which contains 55 questions.
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Question Details
- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN Custom Exam(s)
- Answer Choices: 4