#june2020usmle2ck
A 50 year-old man presents to the clinic with a long history of heartburn after eating, exaggerated when he is lying down and lessened when he takes antacids. Endoscopy reveals a large irregular, erythematous area in the lower esophagus. Esophageal motility studies reveal dysfunction of the lower esophageal sphincter (LES).
Which of the following most likely leads to increase in the resting pressure of LES?
A-Alcohol
B-Caffeine
C-Chocolate
D-Fat
E-Protein
A 50 year-old man presents to the clinic with a long history of heartburn after eating, exaggerated when he is lying down and lessened when he takes antacids. Endoscopy reveals a large irregular, erythematous area in the lower esophagus. Esophageal motility studies reveal dysfunction of the lower esophageal sphincter (LES).
Which of the following most likely leads to increase in the resting pressure of LES?
A-Alcohol
B-Caffeine
C-Chocolate
D-Fat
E-Protein