A client with asthma is undergoing diagnostic testing. Which laboratory test is commonly used to measure inflammation in the airways and help diagnose asthma?
Complete blood count (CBC)
Serum cholesterol level
Urinalysis
Erythrocyte sedimentation rate (ESR)
The Correct Answer is A
A) Correct. A CBC can detect elevated levels of white blood cells (eosinophils) associated with airway inflammation in asthma.
B) Incorrect. Serum cholesterol levels are not a primary diagnostic test for asthma.
C) Incorrect. Urinalysis is used to assess kidney function and detect abnormalities in the urine, not for asthma diagnosis.
D) Incorrect. ESR is a nonspecific test used to detect inflammation in the body but is not specific to asthma diagnosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect. Bacterial infections are not the primary cause of asthma; it is more related to inflammation and airway hyperreactivity.
B) Incorrect. Genetics can indeed play a role in the development of asthma.
C) Correct. Environmental factors, including allergens and irritants, are significant contributors to asthma development and exacerbation.
D) Incorrect. While emotional stress and anxiety can exacerbate asthma symptoms, they are not the sole triggers of the condition.
Correct Answer is D
Explanation
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.
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