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 C
Explanation
A. An elevated heart rate can be expected in infants with bronchiolitis due to increased work of breathing.
B. A slight elevation in temperature may be indicative of infection but is not an immediate concern.
C. A respiratory rate of 74 breaths per minute may indicate respiratory distress and warrants immediate attention.
D. A blood pressure of 90/60 mmHg is within the normal range for infants and not immediately concerning.
Correct Answer is D
Explanation
A. Poor appetite may be expected post-procedure due to anesthesia or discomfort but is not typically a cause for immediate concern.
B. Slight pain is common after a heart catheterization and can be managed with appropriate pain relief measures.
C. Anxiety is a common emotional response to medical procedures but does not typically indicate a complication.
D. Bleeding post-heart catheterization can indicate a potential complication such as hemorrhage, which requires immediate attention.
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