A nurse is discussing the role of eosinophils in asthma with a client. How should the nurse explain the involvement of eosinophils in asthma?
"Eosinophils release hormones that relax the airway muscles in asthma."
"Eosinophils produce antibodies that protect against asthma attacks."
"Eosinophils are white blood cells that help clear excess mucus from the airways."
"Eosinophils play a role in inflammation and airway damage in asthma."
The Correct Answer is D
A) Incorrect. Eosinophils do not release hormones that relax airway muscles.
B) Incorrect. Eosinophils are not primarily involved in antibody production in asthma.
C) Incorrect. Eosinophils are not responsible for clearing excess mucus from the airways.
D) Correct. Eosinophils are white blood cells that contribute to inflammation and airway damage in asthma by releasing inflammatory substances.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Incorrect. Smoking is a significant asthma trigger, and even occasional smoking can worsen asthma symptoms.
B) Incorrect. Feather pillows may contain allergens that can exacerbate asthma in individuals sensitive to these allergens.
C) Incorrect. Frequent vacuuming can stir up dust and allergens, potentially worsening asthma symptoms, rather than improving indoor air quality.
D) Correct. Outdoor allergens like pollen can trigger asthma symptoms in many individuals, so avoiding exposure is an important part of asthma management.
Correct Answer is A
Explanation
A) Correct. Frequent use of a rescue inhaler is often an early sign that asthma symptoms are worsening and may precede an exacerbation.
B) Incorrect. Rarely experiencing chest tightness does not necessarily indicate the early stages of an asthma exacerbation.
C) Incorrect. The absence of wheezing or coughing is not an early indicator of worsening asthma symptoms; wheezing is a common asthma symptom.
D) Incorrect. Infrequent nighttime awakenings due to asthma may be a sign of well-controlled asthma but do not necessarily signal an exacerbation.
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