Identify the Instrument below:

AIIMS Delhi NO- 2019

Fundamental of Nursing

Medium

Appeared in: AIIMS Delhi NO- 2019

Explanation

The instrument shown is a disposable chemical dot thermometer, identifiable by its brand name 'Tempa•DOT™' and the matrix of dots used for temperature reading.
These thermometers are thin, flexible plastic strips designed for single use to prevent cross-infection.
The sensor end contains a grid of chemically impregnated dots that change color at specific temperatures to provide a reading, typically within 60 seconds.
It is a non-invasive and safe method for measuring oral, axillary, or rectal temperature, containing no glass or mercury.

Option A: A disposable tongue depressor is a simple wooden or plastic stick used for oral examination and lacks the dot matrix and temperature scale seen on the instrument.
Option B: A disposable SpO2 probe is a sensor connected to a pulse oximeter to measure blood oxygen saturation. It typically clips onto a finger or is an adhesive wrap, looking completely different from the thermometer strip.
Option D: This option is incorrect because Option C, 'Disposable thermometer,' accurately describes the instrument shown in the image.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Instrument Identification: Disposable Clinical Thermometer as background academic context rather than a clinical decision trigger.
A primary advantage of single-use disposable thermometers is the significant reduction in the risk of cross-contamination and healthcare-associated infections (HAIs) between patients.
Accurate temperature measurement depends on correct placement. For oral readings with a chemical dot thermometer, placing it in the posterior sublingual pocket is crucial as this area provides a reading closest to the core body temperature.
What if? If a patient has just consumed a hot or cold beverage, the nurse should wait at least 15-20 minutes before taking an oral temperature to ensure the reading is not falsely elevated or lowered.

How to Approach the Question

First, carefully examine the image provided. Identify key features of the instrument, such as its shape, material, markings, and any text.
Note the text 'Tempa•DOT™' and the grid of dots with a temperature scale (°F). This strongly suggests a temperature-measuring device.
Evaluate each option against your visual analysis. A 'tongue depressor' is a simple stick. An 'SPO2 probe' is an electronic sensor for oxygen levels. A 'disposable thermometer' is a general category that fits the visual evidence.
Based on the visual evidence, the instrument is clearly a type of disposable thermometer.
Select the option that most accurately describes the instrument. In this case, 'Disposable thermometer' is the correct choice.

Concept Tested & Keywords

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