The phases of gastric secretion, from first to last, are __________.

Trace the path of a single protein molecule that has been ingested. The protein molecule will be digested by enzymes made bya. the mouth, stomach, and colon,b. the stomach, liver, and small intestine,c. the small intestine, mouth, and liver,d. the pancreas, stomach, and small intestine.

Which of the following products does the stomach produce?

Troy Francis, a middle-aged salesman, complains of a burning pain in the 'pit of his stomach,' usually beginning about two hours after eating and abating after drinking a glass of milk. When asked to indicate the site, he points to his epigastric region. The GI tract is examined by X-ray fluoroscopy. A gastric ulcer is visualized, and drug therapy using a proton pump inhibitor and antibiotics is recommended.a. Why is this treatment suggested?b. What are the possible consequences of nontreatment?

The sphincter between the stomach and duodenum isa. the pyloric sphincter,b. the gastroesophageal sphincter,c. the hepatopancreatic sphincter,d. the ileocecal valve.

Multiple ChoiceMore than one choice may apply.Match the letter of the digestive organ shown in the figure with its function. ___ churning occurs here