All of the following nursing interventions are correct when using the Z-track method of drug injection except:

OSSSC Nursing Officer-2023

Fundamental of Nursing

Medium

Appeared in: OSSSC Nursing Officer-2023

Explanation

The Z-track method is designed to seal medication deep within the muscle, preventing it from leaking into the subcutaneous tissue.
Rubbing or massaging the site after injection defeats this purpose by potentially forcing the medication up the needle track.
This leakage can cause significant skin irritation, pain, and permanent discoloration (staining), especially with medications like iron dextran.
The correct procedure is to withdraw the needle, release the skin, and then apply only gentle pressure with a dry gauze pad.

Option A: This is a correct and essential step. Preparing the site with alcohol is a fundamental principle of aseptic technique to prevent introducing pathogens and causing an infection.
Option B: This is a correct equipment choice. A needle of at least 1 to 1.5 inches is typically required for an IM injection in an average adult to ensure the medication reaches the deep muscle tissue.
Option C: This is a correct safety procedure for most IM injections (policy may vary for immunizations). Aspirating helps confirm the needle is not in a blood vessel, preventing accidental intravenous administration of a drug intended for muscle tissue.

Clinical Relevance

Nursing practice connection: Knowing The concept tested is the correct procedure for administering an intramuscular (IM) injection using the Z-track method, specifically identifying contraindicated actions helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Patient Safety: Failing to use the Z-track method correctly, especially by massaging the site, can lead to adverse outcomes like sterile abscesses, intense pain, and permanent skin staining, which can be distressing for the patient.
Medication Efficacy: This technique is crucial for certain medications (e.g., iron dextran, hydroxyzine, some antipsychotics) that are highly irritating to subcutaneous tissue or can cause staining.
What if?: If the patient was extremely thin with very little muscle mass, the nurse would need to reconsider the injection site and possibly the needle length, but the principle of not massaging the site would still apply.

How to Approach the Question

First, identify that the question is a 'negative' question because it uses the word 'except'. This means you are looking for the action that is INCORRECT.
Read the stem carefully to understand the context: 'Z-track method of drug injection'.
Evaluate each option against your knowledge of the Z-track procedure.
Ask yourself for each option: 'Is this a correct step in the Z-track method?'
Option A (alcohol prep) is a standard correct step for injections.
Option B (1-inch needle) is a correct needle length for IM injections.

Concept Tested & Keywords

Concept Tested: The concept tested is the correct procedure for administering an intramuscular (IM) injection using the Z-track method, specifically identifying contraindicated actions.
Stem keywords: nursing interventions, Z-track method, drug injection
Lead-in keywords: All of the following, except
Negative lead-in flag: The question asks for the exception, meaning the one incorrect nursing intervention among the options.

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E6 Nursing Fundamentals Potter Perry 12e Part 3 pp. 174-176, 203-205

E6 Pharmacology Nursing Lilley 11e Part 1 p. 137-139