A client is curious about the pathophysiology of asthma. How should the nurse explain the primary mechanism involved in asthma?
"Asthma is primarily caused by bacterial infections that affect the airways."
"In asthma, the airways become narrowed due to the accumulation of excess mucus."
"Asthma results from a chronic inflammation of the airway walls and increased airway reactivity."
"The primary issue in asthma is a lack of oxygen in the bloodstream."
The Correct Answer is C
A) Incorrect. Asthma is not primarily caused by bacterial infections.
B) Incorrect. While excess mucus can contribute to asthma symptoms, it is not the primary mechanism.
C) Correct. Asthma is characterized by chronic inflammation of the airways and increased reactivity, leading to airway narrowing and symptoms.
D) Incorrect. Asthma primarily involves airway inflammation and narrowing, not a lack of oxygen in the bloodstream.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Incorrect. A blood test for specific IgE antibodies can detect allergen-specific antibodies but is not the same as a skin prick test.
B) Incorrect. A chest X-ray is used to visualize the lungs and is not a test for allergies.
C) Incorrect. A pulmonary function test (PFT) assesses lung function but does not test for allergies.
D) Correct. A skin prick test, also known as a skin allergy test or scratch test, involves applying small amounts of allergens to the skin and monitoring for allergic reactions, helping identify specific allergens triggering asthma symptoms.
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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