Meeting the Unique Needs of Vocational Programs. Vocational Studies Complete contains full-text journals and a selection of full-text books applicable to two-year college programs.
Gastroesophageal reflux is a strong risk factor for this disease. The increase in incidence of esophageal adenocarcinoma coincided with the introduction of medications that promote reflux by relaxing the lower esophageal sphincter (LES), such as nitroglycerin, anticholinergics, Î²-adrenergic agonists, aminophyllines, and benzodiazepines.
Answer by Amaroque. Confidence votes 11.3K. The lower esophageal (cardioesophageal) sphincter relaxes when a bolus of food travels down the esophagus. It also prevents stomach acid from backing up into the esophagus although many people have problems with that anyway.he lower esophageal (cardioesophageal) sphincter relaxes when a bolus of food travels down the esophagus.