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 C
Explanation
A) Incorrect. Asthma can affect individuals of all age groups, not just the elderly.
B) Incorrect. Asthma primarily affects the respiratory system, not the digestive system.
C) Correct. Asthma is a chronic condition characterized by symptoms such as difficulty breathing and wheezing.
D) Incorrect. Asthma is a chronic condition, and while symptoms may improve with treatment, it does not typically resolve on its own within a few days.
Correct Answer is A
Explanation
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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