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)

Answer and Explanation

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.

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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.

A. "Intermittent shortness of breath during physical activity." B. "Occasional coughing and wheezing at night." C. "Persistent shortness of breath, even at rest." D. "Mild chest tightness after exposure to allergens."

Correct Answer is C

Explanation

A) Incorrect. Intermittent shortness of breath during physical activity is common in asthma but does not necessarily indicate a severe attack.

B) Incorrect. Occasional coughing and wheezing at night can be part of asthma but do not necessarily signal a severe attack.

C) Correct. Persistent shortness of breath, especially when present at rest, is a potential indicator of a severe asthma attack and should be taken seriously.

D) Incorrect. Mild chest tightness after exposure to allergens is a common symptom of asthma but may not necessarily indicate a severe attack.

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A client with asthma is undergoing diagnostic testing. Which laboratory test is commonly used to measure inflammation in the airways and help diagnose asthma?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is C

Explanation

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