Which diagnostic test does the nurse correlate to the diagnosis of an active infection with Helicobacter pylori for a patient diagnosed with gastritis?

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The urea breath test is a non-invasive diagnostic test used to detect the presence of Helicobacter pylori (H. pylori) bacteria, which is a common cause of gastritis and peptic ulcers. The test works by detecting urease, an enzyme produced by H. pylori, which breaks down urea into carbon dioxide and ammonia.

Which Diagnostic Test Does the Nurse Correlate to the Diagnosis