What cells secrete pepsinogen into the lumen of the stomach A Goblet B G C

What cells secrete pepsinogen into the lumen of the

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20) What cells secrete pepsinogen into the lumen of the stomach?A) GobletB) GC) ParietalD) ChiefE) NeckAnswer: DDiff: 3 Page Ref: 57321) What cells function to secrete hydrogen ions into the lumen of the stomach?22) What do parietal cells secrete?23) What do neck cells of gastric pits secrete?24) Which of the following is NOT a normal function of the high acidity of the stomach?A) activate pepsinB) denature proteinsC) destroy foodborne bacteriaD) activate vitamin B12E) protect against illnessAnswer: DDiff: 6 Page Ref: 5735
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25) Once the chyme begins to enter the duodenum, it must first be ________ before any of the enzymes in the pancreatic juices can be activated.26) What protects the stomach wall from the acidic lumenal contents?27) To increase the absorptive efficiency of the small intestine, the surface area of the mucosa is increased by the presence of folds in the wall called ________, and projections of the cell membrane called ________.28) Which of the following is the correct order of the components of the small intestine, from stomach to colon?A) ileum jejunum duodenumB) jejunum duodenum ileumC) duodenum ileum jejunumD) jejunum ileum duodenumE) duodenum jejunum ileumAnswer: EDiff: 3 Page Ref: 57329) A lacteal is a ________ located in ________.6
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30) What is the brush border?
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