Difficulty: Medium
Average Score: 71%
Simulated
A nurse is reinforcing teaching about diagnostic tests with the parents of a child who has suspected cystic fibrosis. Which of the following diagnostic tests should the nurse include as the most definitive when diagnosing cystic fibrosis?
Correct answer
A
Rationale
The sweat chloride test is the gold standard for diagnosing cystic fibrosis due to elevated chloride levels in sweat.