NORCET 5 Prelims - Se…: Identify the following image?& x20;

NORCET 5 Prelims - Sept 2023 (Shift-1)

Medical & Surgical Nursing

Easy

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-1)

Explanation

The image displays a spacer, which is a holding chamber designed to be used with a metered-dose inhaler (MDI).
Its primary function is to slow down the aerosolized medication, allowing for a slower, deeper inhalation.
This mechanism significantly increases the proportion of the drug that reaches the lungs, as opposed to being deposited in the mouth or throat.
The attached face mask is specifically for patients, such as infants, young children, or debilitated adults, who cannot effectively use a standard mouthpiece.

Option A: An incentive spirometer is a device used for post-operative breathing exercises to prevent lung complications like atelectasis. It is not used for medication delivery.
Option B: A PET (Positron Emission Tomography) machine is a large, complex diagnostic imaging device used in nuclear medicine to observe metabolic processes in the body. It is not a handheld respiratory device.
Option D: A Venturi mask (often misspelled as 'Venture') is a specific type of oxygen mask that uses color-coded diluters to deliver a precise and fixed concentration of oxygen. It is used for oxygen therapy, not for delivering medication from an MDI.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Image identification of respiratory therapy equipment as background academic context rather than a clinical decision trigger.
Proper patient education on spacer use is a key nursing responsibility. Incorrect technique can lead to undertreatment of respiratory conditions and increased side effects, such as oral candidiasis (thrush) from inhaled corticosteroids.
Nurses must teach patients to clean their spacers regularly according to the manufacturer's instructions to prevent bacterial growth and ensure the device remains effective.
What if the patient is an adult with good hand-breath coordination? A spacer is still recommended for most patients, especially when using inhaled corticosteroids, to maximize lung deposition and minimize oral side effects. However, a model with a mouthpiece would be used instead of a face mask.

How to Approach the Question

This is an image-based identification question, which requires visual recognition of medical equipment.
First, carefully observe the components of the device shown in the image: a clear plastic chamber, a soft face mask on one end, and a port on the other end holding an inhaler.
Based on its structure, deduce the device's function. The chamber is designed to hold an aerosol cloud from the inhaler, and the mask is to deliver it to the patient.
Systematically evaluate each option against your observation. An incentive spirometer is for breathing exercises, a PET machine is for large-scale imaging, and a Venturi mask is for precise oxygen delivery.
Conclude that the device's function matches the description of a spacer, which is used to improve the delivery of inhaled medication.

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