MP CHO - 2022
Medical Surgical Nursing
Easy
A 40-year-old patient has asthma. Which of the following can be used as an aid for the diagnosis and monitoring of asthma?
Appeared in: MP CHO - 2022
Explanation
- A peak flow meter is a portable device that measures the Peak Expiratory Flow Rate (PEFR), which is the maximum speed of air exhaled from the lungs.
- PEFR measurements directly correlate with the degree of airway obstruction; a lower reading indicates narrower airways.
- It is a key tool for patients with asthma to monitor their lung function at home, assess the severity of their condition, and track their response to treatment.
- Daily monitoring provides an early warning of worsening asthma, often before symptoms appear, allowing for prompt intervention based on an asthma action plan.
Why Other Options Were Wrong
- Option A: A glucometer measures blood glucose levels, which is unrelated to respiratory function or asthma.
- Option C: A sphygmomanometer measures blood pressure, which is a cardiovascular parameter, not a respiratory one.
- Option D: A barometer is a meteorological instrument that measures atmospheric pressure and is used for weather forecasting. It has no medical application.
Related Visual
Clinical Relevance
- Nursing practice connection: Use the key finding related to Asthma monitoring and diagnostic aids to guide bedside assessment, documentation, and the next nursing action.
- Nurses are responsible for educating patients on the correct use of a peak flow meter. This includes demonstrating the technique, explaining how to find their 'personal best' reading, and interpreting the zones.
- Emphasize the importance of keeping a daily peak flow diary. This log helps the healthcare provider assess asthma control and make necessary adjustments to the treatment plan.
- Patient safety is enhanced when patients understand the red zone as a medical emergency requiring immediate action, including using their rescue inhaler and seeking medical help.
How to Approach the Question
- First, identify the core of the question: it asks for a tool used specifically for the 'diagnosis and monitoring of asthma'.
- Analyze the function of each option provided.
- Evaluate Option A, Glucometer. Recall that this is for measuring blood sugar in diabetes. This is unrelated to asthma, so eliminate it.
- Evaluate Option C, Sphygmomanometer. Recall that this is for measuring blood pressure. This is a cardiovascular measurement, not respiratory. Eliminate it.
- Evaluate Option D, Barometer. Recall that this measures atmospheric pressure for weather. This is not a medical device. Eliminate it.
- This leaves Option B, Peak flow meter. Recall or deduce that this device measures airflow from the lungs, which is directly relevant to asthma, a disease of airway obstruction. This makes it the correct choice.
Concept Tested & Keywords
- Concept Tested: Asthma monitoring and diagnostic aids
- Stem keywords: asthma, diagnosis, monitoring
- Lead-in keywords: Which of the following
- Clinical cues: 40-year-old patient
- Negative lead-in flag: false
Question ID
QveGGGt_lufBLVdMQ-e7nX
Reference Book
E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 p. 57-59
E6 Nursing Fundamentals Taylor p. 720-722
Practise the full MP CHO - 2022
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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