When suspecting a diagnosis of cystic fibrosis, the nurse would expect which of the following priority tests to be ordered?
A) Sweat chloride concentration test
B) Pulse oximetry
C) Arterial blood gas (ABG) analysis
D) Electrolyte panel
Ans: A
Feedback: The diagnosis of cystic fibrosis is made based on an elevated result of a sweat chloride concentration test, along with clinical signs and symptoms consistent with the disease. Pulse oximetry, arterial blood gases (ABG) analysis, and an electrolyte panel may be used in the management of cystic fibrosis but not as a diagnostic.
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