During a skills demonstration of the 7 steps of hand washing, a nursing student is observed rubbing the backs of their fingers against the opposing palms with fingers interlocked. Which area of the hand is this specific step primarily intended to clean?

Appeared in: NHM UP Staff Nurse - 2019

Explanation

The action of interlocking the fingers and rubbing the dorsal (back) side of the fingers against the opposite palm is the specific technique for cleaning the knuckles and the back of the fingers.
This step is crucial because these areas have skin crevices where microorganisms can easily lodge.
Standard palm-to-palm rubbing does not effectively reach the posterior surface of the fingers or the knuckles.
This technique is recognized as Step 4 in the widely adopted 7-step hand hygiene procedure.

Option A: The thumbs are not the primary target of this motion. They require a separate, dedicated step to be cleaned effectively.
Option B: The wrists are cleaned in a different step, typically at the end of the handwashing sequence.
Option D: The palms are cleaned by rubbing palm-to-palm (Step 1). The interdigital spaces (areas between the fingers) are cleaned by rubbing palm-to-palm with fingers interlaced (Step 3).

Clinical Relevance

Nursing practice connection: Knowing Hand Hygiene Technique (WHO 7 Steps) helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Proper hand hygiene is the single most effective measure to prevent healthcare-associated infections (HAIs), protecting both patients and healthcare staff.
Failure to perform all steps correctly, especially missing areas like knuckles and thumbs, can lead to cross-contamination and the spread of pathogens like MRSA and C. difficile.
What if? If a nurse consistently skips this step (cleaning the backs of fingers and knuckles), they may carry pathogens on their hands even after washing, posing a significant risk when performing invasive procedures or caring for immunocompromised patients.

How to Approach the Question

First, carefully read the question to identify the specific action being performed: 'rubbing the backs of their fingers against the opposing palms with fingers interlocked'.
This is a process-based recall question. Access your memory of the standard, sequential steps for clinical handwashing.
Mentally visualize or list the steps. For each step, identify the primary surface area it is designed to clean.
Match the action described in the stem to the correct step and its corresponding target area.
Evaluate each option. Option A (thumbs), B (wrists), and D (palms/interdigital spaces) are all cleaned by different, distinct motions. Option C correctly identifies the target of the described action.

Concept Tested & Keywords

QLuNQ9OCVgnhTJKmg9Zw0g

E6 Nursing Vital Signs p. 38-40

E6 Nursing Fundamentals Taylor p. 184-186

Practise the full NHM UP Staff Nurse - 2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.