Q Gold standard test for laryngopharyngeal reflux is?A. Esophageal motility study
B. Barium swallow
C. 24 hour double probe pH monitoring
D. Esophageal biopsy
Explanation Correct answer : C. 24 hour double probe pH monitoring
Gold standard test for laryngopharyngeal reflux is 24 hour double probe (lower esophagus and pharynx) pH monitoring.