A nurse is educating a client about the diagnostic evaluation of asthma. Which test is commonly used to measure lung function and assess the severity of asthma?
Electrocardiogram (ECG)
Magnetic resonance imaging (MRI)
Chest X-ray
Spirometry
The Correct Answer is D
A) Incorrect. An ECG is used to assess heart function, not lung function.
B) Incorrect. MRI is a diagnostic imaging technique used to visualize internal structures but is not typically used for asthma diagnosis.
C) Incorrect. Chest X-rays may be performed to rule out other conditions but are not a primary test for asthma diagnosis.
D) Correct. Spirometry is a common lung function test used to assess airflow and determine the presence and severity of asthma.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. Severe coughing can occur during an asthma attack but is not typically considered an early warning sign.
B) Correct. Wheezing is often an early sign of airway constriction and can precede other symptoms of an asthma attack.
C) Incorrect. Chest pain and discomfort are not typical early warning signs of asthma.
D) Incorrect. Difficulty speaking in full sentences is a more advanced symptom that may occur during an asthma attack.
Correct Answer is B
Explanation
A) Incorrect. Bronchial smooth muscle is involved in asthma, particularly in airway constriction.
B) Correct. In asthma, bronchial smooth muscle contracts and narrows the airways, contributing to symptoms like wheezing and shortness of breath.
C) Incorrect. Bronchial smooth muscle's primary role in asthma is not to clear mucus from the airways.
D) Incorrect. Bronchial smooth muscle does not release antibodies to protect against asthma attacks.
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