Question 1

What are the main advantages of administering intramuscular injections?

Accepted Answer

Intramuscular injections deposit medications deep into muscle tissue, which is well perfused for quick drug uptake and allows administration of large volumes. Skeletal muscles have fewer pain-sensing nerves than subcutaneous tissue, making this route less painful for irritating drugs like chlorpromazine. IM injections suit patients unable to take oral medications or uncooperative patients.

Question 2

Which medications are commonly delivered by intramuscular injection?

Accepted Answer

Common medications administered via intramuscular injection include antibiotics, hormones, and vaccinations. The route's ability to deliver large volumes and provide rapid uptake makes it ideal for these drug classes. Before administering any IM injection, nurses must verify the medication is appropriate for the patient's medical conditions, allergies, and current clinical status.

Question 3

What patient factors should nurses assess before administering an intramuscular injection?

Accepted Answer

Nurses must assess the patient's muscle mass to determine appropriate needle size and verify previous injection sites to ensure no adverse reactions occurred. Additionally, nurses should confirm the medication is suitable given the patient's medical conditions, allergies, and clinical status. These assessments ensure safe and effective drug delivery tailored to individual patient needs.

Question 4

What are the recommended sites for intramuscular injections?

Accepted Answer

Recommended IM injection sites include the deltoid muscle of the shoulder, vastus lateralis of the thigh, and ventrogluteal or gluteus medius muscles of the hip. The dorsogluteal muscle should be avoided due to increased risk of hitting blood vessels, nerves, or bone. Site selection depends on muscle mass, accessibility, and patient comfort.

Question 5

Why is the dorsogluteal muscle not recommended for intramuscular injections?

Accepted Answer

The dorsogluteal muscle is associated with an increased risk of hitting blood vessels, nerves, or bone, making it an unsafe injection site. This anatomical risk makes alternative sites like the deltoid, vastus lateralis, ventrogluteal, or gluteus medius muscles preferable. Nurses should prioritize safer injection locations to prevent complications and ensure patient safety.

Question 6

How does intramuscular injection differ from other medication administration routes?

Accepted Answer

Intramuscular injections deposit medication deep into muscle tissue for rapid uptake and large-volume administration, unlike preparing and administering subcutaneous medications. The well-perfused muscle tissue enables quick drug absorption, while fewer pain-sensing nerves reduce discomfort. This route suits patients unable to take oral medications and those requiring faster therapeutic effects.

Question 7

What pre-administration checks must nurses perform for intramuscular injections?

Accepted Answer

Before administering an IM injection, nurses must verify the medication is appropriate for the patient's medical conditions, allergies, and clinical status. Assess muscle mass to select the correct needle size and check previous injection sites for adverse reactions. Following safety checks and ten rights of medication administration ensures safe, effective delivery and prevents complications.

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