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 A
Explanation
A. Large building blocks encourage fine and gross motor skills development, making them suitable for a hospitalized toddler.
B. Hanging crib toys are more appropriate for infants and may not meet the developmental needs of a 12-month-old toddler.
C. Crayons and a coloring book require fine motor skills and may not be suitable for a toddler in a hospital room with contact precautions.
D. Modeling clay may pose infection control risks in a hospital setting with contact precautions and may not be suitable for a hospitalized toddler.
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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