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Ch. 22 The Digestive System
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All textbooksErin C. Amerman 2nd EditionCh. 22 The Digestive SystemProblem 22.13a

Chapter 22, Problem 22.13a

Which of the following best describes the role of bile salts in lipid digestion?


a. Bile salts begin chemical digestion of lipids.

b. Bile salts bind to lipids and physically break them apart into monoglycerides and free fatty acids.

c. Bile salts bind to lipids and physically break them apart into smaller pieces.

d. Bile salts interact with pancreatic lipase and catalyze lipid breakdown.

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Hey, everyone. Let's take a look at this question together. The following are the functions of the bile in the digestive system, except which is it? Answer choice. A, the emulsification of dietary fats. Answer choice B processing of nucleic acids into nucleotides. Answer choice C facilitation of lipid absorption or answer choice D formation of my cells. Let's work this problem out together to try to figure out which of the following answer choices is not a function of the bile in the digestive system. So in order to solve this question, we have to recall what we have learned about the functions of bile in the digestive system to determine which of the following answer choices is not a function of bile in the digestive system. And we can recall that the role of bile in the digestive system is to aid in the digestion and the absorption of dietary fats. And that digestion and absorption of dietary fats includes the emulsification of dietary fats and the absorption of lipids by forming my cells, which my cells are spherical aggregates that solubilized lipids, aiding in their absorption. So looking at our answer choices, we can see a multi application of dietary fats, facilitation of lipid absorption and the formation of my cells which are all functions of the bile in the digestive system. So answer choices. AC and D can be eliminated leaving us with only one remaining answer choice, which is answer choice B which says the processing of nucleic acids into nucleotides, which is not a function of the bile in the digestive system. So answer choice B is the correct answer. I hope you found this video to be helpful. Thank you and goodbye.
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Related Practice
Textbook Question

Mr. Williams presents to your clinic with a complaint of abdominal pain in the right upper quadrant. He says that the pain worsens when he eats, particularly when he eats fatty meals. He has noticed that his stool has been an unusual clay color recently. You perform an ultrasound of his abdomen and find that gallstones are blocking his common bile duct, preventing bile from entering the duodenum.



b. You test Mr. Williams's stool and find high amounts of undigested fats. Explain this finding.

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Textbook Question

Mr. Williams presents to your clinic with a complaint of abdominal pain in the right upper quadrant. He says that the pain worsens when he eats, particularly when he eats fatty meals. He has noticed that his stool has been an unusual clay color recently. You perform an ultrasound of his abdomen and find that gallstones are blocking his common bile duct, preventing bile from entering the duodenum.



c. Explain why his feces have become a clay color instead of a normal brown color.

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Textbook Question

Which of the following best describes the microscopic structure of the liver?


a. Hexagonal plates of hepatocytes surrounding a central vein with portal triads at each corner

b. Octagonal plates of hepatocytes surrounding a central artery with portal triads at each corner

c. Irregular groups of hepatocytes surrounding a central vein with bile ducts at each corner

d. Hexagonal plates of hepatocytes surrounding a portal vein with bile ducts at each corner

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Textbook Question

Which of the following is/are absorbed in the small intestine by the Na+/glucose cotransporter?


a. Glucose

b. Galactose

c. Fructose

d. Both a and b are correct.

e. All of the above are correct.

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Textbook Question

The primary hormone that triggers the secretion of pancreatic juice and bile is:


a. gastric inhibitory peptide.

b. cholecystokinin.

c. motilin.

d. somatostatin.

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Textbook Question

Fill in the blanks: Lipids associate with bile salts in the small intestine to form_____ . In the enterocyte, lipids are packaged with other lipids into______.

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