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 C
Explanation
A) Incorrect. Rescue inhalers are typically not used as a daily preventive measure but are reserved for acute symptom relief.
B) Incorrect. While exercise-induced asthma is a valid reason to use a rescue inhaler, it should also be used when experiencing other asthma symptoms.
C) Correct. Rescue inhalers are meant for quick relief during asthma symptoms or exacerbations, and their use should be guided by symptoms or healthcare provider instructions.
D) Incorrect. There is no specific benefit to using a rescue inhaler before bedtime unless asthma symptoms are present at that time.
Correct Answer is B
Explanation
A) Incorrect. Allergies are related to the development and exacerbation of asthma in some cases.
B) Correct. Allergies, especially allergic rhinitis, are known risk factors for the development of asthma in susceptible individuals.
C) Incorrect. While allergies can have a protective effect against asthma in some cases (the hygiene hypothesis), this is not universally true.
D) Incorrect. Allergies are one of several potential factors that can contribute to asthma, but they are not the sole cause.
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