Which is a proper way to wear the face mask for COVID 19?

SGPGI Nursing Officer-2023

Nursing Foundation

Medium

Appeared in: SGPGI Nursing Officer-2023

Explanation

The most critical step for ensuring a face mask provides adequate protection is to create a proper seal around the nose and mouth.
This is achieved by pressing and molding the 'hard part' (the malleable metal or plastic strip) of the upper edge firmly against the bridge of the nose.
This action minimizes gaps at the top of the mask, forcing inhaled and exhaled air to pass through the filter material rather than leaking around the edges.
A snug fit over the nose is essential for the mask's efficacy in filtering out respiratory droplets and aerosols.

Option A: Holding and looking at the top edge is not a correct procedural step. To prevent contamination, one should handle the mask only by its ties or ear loops and avoid touching the surfaces.
Option B: The upper ties of a surgical mask should be secured at the crown of the head, above the ears. Tying them behind the neck would cause the mask to be positioned too low and fail to create a seal over the nose.
Option C: While tying the lower edge of the mask (at the nape of the neck) is a necessary step, it is not the most critical action for ensuring a proper seal. The primary seal is created at the top of the mask over the nose.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The question tests the knowledge of the correct procedure for wearing a medical face mask to ensure its effectiveness in preventing the transmission of infectious agents as background academic context rather than a clinical decision trigger.
A proper mask fit is crucial for infection control. Nurses must not only wear PPE correctly themselves but also educate patients and their families on the proper technique to reduce the transmission of pathogens like SARS-CoV-2.
Gaps around the mask can render it ineffective, providing a false sense of security and increasing the risk of exposure for both the wearer and others.
What if? If the mask has ear loops instead of ties, the principle remains the same. After placing the loops over the ears, the most important step is still to pinch the nose clip for a snug fit and pull the bottom down over the chin.

How to Approach the Question

First, identify the core of the question: it asks for a 'proper way' to wear a mask, implying a key step for effectiveness.
Read and evaluate each option as a step in a procedure.
Visualize the action described in each option. For a tie-on mask, think about how each action contributes to the mask's fit and function.
Option A involves handling, which is generally discouraged. Option B describes incorrect placement of the top ties. Option C is a correct step, but is it the most critical for a seal?
Option D describes molding the nose piece. Recognize that this step is essential for creating a seal and preventing air leakage, which is the primary purpose of the mask's design.
Conclude that creating the nose seal is the most defining 'proper' action among the choices for ensuring the mask works correctly.

Concept Tested & Keywords

Concept Tested: The question tests the knowledge of the correct procedure for wearing a medical face mask to ensure its effectiveness in preventing the transmission of infectious agents.
Stem keywords: proper way, wear, face mask, COVID 19
Lead-in keywords: Which is