stomach and upper GI

Question 1

Esophagus enters t1. Esophagus enters at the

Answer 1

cardiac orafice

Question 2

stomach part that is the hook of the “J”

Answer 2

Antrum

Question 3

part of the stomach that is the connection to the SI

Answer 3

iv. Pyloric sphincter

Question 4

precursor to pepsin

and what catalyzes the conversion

Answer 4

Pepsinogen

is converted by acidity in the stomach to pepsin

Question 5

Acid secretion, a process requiring high energy, occurs at the

Answer 5

HCL is produced apical canalicular surface of the gastric parietal cells

Question 6

gastric chief cells are responsible for

Answer 6

the gastric chief cell (also known as a zymogenic cell or peptic cell) is a cell in the stomach that releases pepsinogen and chymosin

Question 7

gastrin secretions occur

Answer 7

in the antrum of the stomach by the G cells

Question 8

Sight, smell, and taste of food are the components of the this phase, which stimulates gastric secretion via the ____

,

Answer 8

part of the cephalic phase that stimulate through the vagus nerve

Question 9

COX-1 is expressed in a host of tissues, including the ``___

what role does it play

Answer 9

COX-1 is expressed in a host of tissues, including the stomach, platelets, kidneys, and endothelial cells.

maintaining the integrity of renal function, platelet aggregation, and gastrointestinal (GI) mucosal integrity.

Question 10

The gastric phase is activated ________ and is driven by___

Answer 10

The gastric phase is activated once food enters the stomach. This component of secretion is driven by nutrients (amino acids and amines)

Question 11

what happens during the gastric phase

Answer 11

This component of secretion is driven by nutrients (amino acids and amines) that directly stimulate the G cell to release gastrin, which in turn activates the parietal cell via direct and indirect mechanisms.

in the antrum of the stomach