A&P II - Unit 4 Review

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Assume we could alter the conditions in the duodenum. If we inserted a large volume of highly acidic chyme which contained a large amount of fat, which of the following responses are consistent with that? (1) decreased gastric acid secretion (2) increased bile production (3) increased pancreatic bicarbonate production and pancreatic enzyme secretion (4) increased secretin and cholecystokinin

1, 2, 3, 4

Which of the following apply to the small intestine?

All of the above

How much saliva is generally produced each day?

NEEDS ANSWER

Which of the following is an end product of protein digestion?

amino acids

Monosaccharides

are absorbed in the small intestine.

What portion of the small intestine is most distal from the pylorus of the stomach?

ileum

Which is the correct order of the regions of the digestive tract from superior to inferior?

oral cavity, stomach, small intestine, large intestine

What muscle forms the lips?

orbicularis oris muscle

Which of these processes occurs throughout most of the alimentary canal?

propulsion

During gastric emptying, chyme is released into the duodenum through the ________.

pyloric sphincter

In order to remove a tumor in the muscular tunic of the stomach, a surgeon must cut through the

serosa.

Food is prevented from entering the nasal cavity during swallowing by the

soft palate.

The gallbladder

stores bile.

The longitudinal layer of smooth muscle in the large intestinal wall forms three bands called the

teniae coli.

Which of the following enzymes is found in inactive form in pancreatic juice?

trypsin

The diagram illustrates an absorptive structure in the duodenum. What does "A" represent?

villus


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