Gastroesophageal reflux disease

Gastroesophageal reflux disease ( 30 Questions)

A client asks the nurse about the diagnostic tests for GERD. What test provides direct visualization of the esophagus and allows for tissue biopsies?


Correct Answer: C

A) Incorrect. An upper gastrointestinal (GI) series involves X-ray imaging of the esophagus, stomach, and small intestine with the use of a contrast material. It does not provide direct visualization or allow for tissue biopsies.

B) Incorrect. Esophageal manometry measures the pressure and coordination of the muscles in the esophagus. It does not provide direct visualization or allow for tissue biopsies.

C) Correct. Upper endoscopy (EGD) involves the insertion of a flexible tube with a camera through the mouth and into the esophagus, stomach, and duodenum. It allows for direct visualization and tissue biopsies to assess for any abnormalities or signs of GERD.

D) Incorrect. 24-hour pH monitoring measures the amount of acid in the esophagus over a 24-hour period. It does not provide direct visualization or allow for tissue biopsies.




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