The Z-track method is used while giving an I/M injection to:

Appeared in: AIIMS Delhi NO-2016

Explanation

The Z-track method's primary purpose is to seal medication within the muscle tissue.
This technique involves pulling the skin and subcutaneous tissue to the side before injection.
When the skin is released after the injection, a zigzag path is created, which locks the medication in and prevents it from leaking back into the subcutaneous tissue.
This sealing action is crucial for irritating medications or those that can stain the skin.

Option B: Reducing pain is a secondary benefit, not the primary mechanism of action. The pain is reduced because the medication is sealed in the muscle, preventing it from irritating the more sensitive subcutaneous tissue.
Option C: The Z-track method is more complex than a standard IM injection because it requires the additional step of displacing the skin and holding it throughout the injection.
Option D: The rate of absorption for an IM injection is determined by the vascularity (blood supply) of the muscle and the chemical properties of the medication, not the Z-track technique itself.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The primary purpose and technique of Z-track intramuscular injections as background academic context rather than a clinical decision trigger.
The Z-track method is a critical nursing skill for patient safety and comfort, especially when administering irritating or staining medications like iron dextran or certain antipsychotics.
Proper technique prevents complications such as sterile abscesses, tissue irritation, and skin discoloration at the injection site.
What if? If a non-irritating, small-volume medication (like a standard vaccine) is administered, the Z-track method is not strictly required, although it is recommended for all IM injections to minimize discomfort.

How to Approach the Question

First, identify the core concept of the question, which is the 'Z-track method' for IM injections.
Recall the definition and purpose of this specific nursing procedure.
Analyze the options to differentiate between the primary mechanism of action and secondary benefits or incorrect statements.
Recognize that 'seal medication' describes the direct action and fundamental purpose of creating the zigzag path.
Eliminate options that describe secondary outcomes (reducing pain), are factually incorrect (easy administration), or are unrelated to the technique itself (fast action).

Concept Tested & Keywords

Concept Tested: The primary purpose and technique of Z-track intramuscular injections.
Stem keywords: Z-track method, I/M injection
Lead-in keywords: BEST, MOST RELEVANT CLUE
Negative lead-in flag: false

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

E6 Nursing Fundamentals Taylor p. 897-899

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