Difficulty: Medium
Average Score: 92%
Simulated
The experienced nurse is instructing the new nurse. The experienced nurse explains that the definitive diagnosis of PUD involves which test?
Correct answer
B
Rationale
A. A urea breath test only tests for the presence of Helicobacter pylori (H. pylori). B. The gastric mucosa can be visualized with an endoscope. A biopsy is possible to differentiate PUD from gastric cancer and to obtain tissue specimens to identify H. pylori. These are used to make a definitive diagnosis of PUD. C. Barium studies do not provide an opportunity for biopsy and H. pylori testing. D. A urea breath test and a string test only test for the presence of H . pylori.