Ans: imbalance btwn defensive factors protecting the esophagus and aggressive
factors refluxing from the stomach
Quiz defensive factors
Ans: antireflux barriers
esophageal acid clearance
tissue resistance
esophageal hypersensitivity
, Quiz aggressive factors
Ans: gastric acidity
volume
duodenal contents
Quiz lower esophageal sphincter (LES)
Ans: is contracted at rest to prevent reflux of gastric content to the esophagus
Quiz things that cause decreased LES pressure
Ans: hormones
neural agents
drugs
some foods/ nutrients make sx worse