A client with asthma asks the nurse about the role of bronchial smooth muscle in asthma. How should the nurse explain it?
"Bronchial smooth muscle has no involvement in asthma."
"Bronchial smooth muscle contracts and narrows the airways in asthma."
"Bronchial smooth muscle helps to clear mucus from the airways in asthma."
"Bronchial smooth muscle releases antibodies to protect against asthma attacks."
The Correct Answer is B
A) Incorrect. Bronchial smooth muscle is involved in asthma, particularly in airway constriction.
B) Correct. In asthma, bronchial smooth muscle contracts and narrows the airways, contributing to symptoms like wheezing and shortness of breath.
C) Incorrect. Bronchial smooth muscle's primary role in asthma is not to clear mucus from the airways.
D) Incorrect. Bronchial smooth muscle does not release antibodies to protect against asthma attacks.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is C
Explanation
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.
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