Card 9 / 30: A 44 year old man complains of persistent heartburn which occurs daily. He denies any dysphagia or odynophagia. Which of the following pathophysiologic mechanisms most likely explains his symptoms?
A)
Transient lower esophageal sphincter contractions
B)
Elevated lower esophageal sphincter pressures
C)
Slow gastric motility
D)
Transient lower esophageal sphincter relaxations
E)
Reduced gastric acid production
Answer:
D) Transient lower esophageal sphincter relaxations
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Gastrointestinal Pathophysiology Exam 2005
Author:
Dr.Laurence BailenProfessor
Tufts University School of Medicine
USA
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