A nurse is caring for a child who has a suspected diagnosis of cystic fibrosis. Which of the following diagnostic tests will confirm the diagnosis?
A sputum culture
Sweat chloride test
A stool fat content analysis
Pulmonary function tests
The Correct Answer is B
A. A sputum culture may be performed to identify respiratory infections but does not confirm cystic fibrosis.
B. The sweat chloride test is the gold standard diagnostic test for cystic fibrosis, measuring chloride levels in sweat.
C. A stool fat content analysis may be performed to assess pancreatic function in cystic fibrosis, but it does not confirm the diagnosis.
D. Pulmonary function tests may reveal characteristic patterns of lung disease in cystic fibrosis but are not diagnostic on their own.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Respiratory system involvement is not typically associated with Kawasaki disease.
B. Gastrointestinal symptoms, such as abdominal pain, diarrhea, and vomiting, can occur but are secondary to cardiovascular manifestations.
C. Integumentary manifestations, like rash and erythema, are common in Kawasaki disease but are also secondary to cardiovascular involvement.
D. Kawasaki disease primarily affects the cardiovascular system, leading to inflammation of blood vessels, particularly coronary arteries, which can result in coronary artery aneurysms and other cardiac complications.
Correct Answer is C
Explanation
A. Decreased heart rate can indicate relaxation or sleepiness, not necessarily pain.
B. Decreased respiratory rate might indicate relaxation or sleepiness, not necessarily pain.
C. Increased crying episodes are a common indicator of pain in infants.
D. Increased formula consumption may indicate hunger or normal feeding patterns, not necessarily pain.
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