ABIM GI Practice Test 2

10 free ABIM GI practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

ABIM GI Practice Test 2Tutor mode

Question 1 of 10

Motility Disorders

A 43-year-old man is evaluated for 2 years of dysphagia to solids and liquids, regurgitation of undigested food, and a 6-kg weight loss. He has no chest pain, heartburn or history of foregut surgery, and he takes no opioids. Upper endoscopy shows a dilated esophagus with retained fluid and a lower esophageal sphincter that the endoscope passes with mild resistance; there is no mass, and the cardia is normal on retroflexion. High-resolution manometry findings are shown. Which of the following is the most likely diagnosis?

High-resolution manometry (10 supine wet swallows)
Metric	Result	Normal (typical values)
Median integrated relaxation pressure (supine)	28 mm Hg	≤15 mm Hg
Failed peristalsis	100% of swallows	—
Panesophageal pressurization	6 of 10 swallows	None
Premature contractions (distal latency <4.5 s)	None	None