GI Diagnostic Procedures and Endoscopy 3

Question 1

Wireless pH monitoring (Bravo capsule) is attached to the esophageal mucosa during EGD and records pH for how many days?

Accepted Answer

48–96 hours

Answer

The Bravo capsule adheres to the esophageal wall and records pH over 48–96 hours, providing more physiologic data than catheter-based 24-hour studies.

Question 2

Anorectal manometry is the first-line diagnostic test for which condition in adults?

Accepted Answer

Fecal incontinence and Hirschsprung disease evaluation

Answer

Anorectal manometry assesses sphincter pressures and the rectoanal inhibitory reflex, making it key for evaluating fecal incontinence and Hirschsprung disease.

Question 3

What does the acronym 'ERCP' stand for in GI endoscopy?

Accepted Answer

Endoscopic Retrograde Cholangiopancreatography

Answer

ERCP stands for Endoscopic Retrograde Cholangiopancreatography, a procedure combining endoscopy and fluoroscopy to evaluate the biliary and pancreatic ducts.

Question 4

Which scoring system is used to grade the severity of esophageal varices and predict bleeding risk?

Accepted Answer

Child-Pugh score

Answer

The Child-Pugh score (incorporating bilirubin, albumin, PT, ascites, encephalopathy) predicts hepatic reserve and risk of variceal bleeding in cirrhosis.

Question 5

Which imaging test is preferred for detecting liver metastases in colorectal cancer follow-up in the United States?

Accepted Answer

CT abdomen/pelvis with IV contrast or MRI with liver protocol

Answer

Contrast-enhanced CT or MRI with liver protocol provides the highest sensitivity for detecting hepatic metastases during CRC surveillance.

Gastrointestinal GI Practice Practice Test

Gastrointestinal GI Practice Practice Test

GI Diagnostic Procedures and Endoscopy 3