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Gastrointestinal Function & Bariatric Surgery

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Gastrointestinal Function & Bariatric Surgery

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Questions and Answers

Which of the following is NOT a function performed by saliva?

Emulsifying lipids (correct)

Starch digestion

Enabling the sense of taste

Moistening and lubricating food for swallowing

Killing bacteria

Which of these processes is NOT associated with gastrointestinal function?

Digestion

Secretion

Motility

Absorption

Filtration (correct)

A patient recently had bariatric surgery which removed 85% of stomach tissue and left them with a much reduced stomach volume. Which of the following is TRUE of the patient post-surgery?

They will have a reduced ability to form food into a bolus.

They will not able to completely digest proteins and amino acids.

Their chyme will tend to become more acidic than before the surgery.

They will be able to store less ingested foods and will require smaller, more frequent meals. (correct)

They will have a reduced ability to absorb water from meals.

What is the primary function of the stomach in the digestive process?

<p>Mechanical breakdown and chemical digestion (C)</p> Signup and view all the answers

Which of the following is NOT a component of gastric juice?

<p>Bile (B)</p> Signup and view all the answers

Flashcards

Gastrointestinal processes

Main functions of the gastrointestinal system including digestion, secretion, motility, and absorption.

Function of saliva

Saliva moistens food, assists in digestion, enables taste, and kills bacteria, but does not emulsify lipids.

Gastric bypass impact

Post-surgery, patients can store less food and need smaller, frequent meals due to reduced stomach volume.

Acidity of chyme

Chyme may become more acidic after bariatric surgery due to reduced stomach volume.

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Bolus formation

Less stomach volume post-surgery reduces ability to form food into a bolus for swallowing.

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Study Notes

Gastrointestinal Function Processes

Filtration is NOT a process associated with gastrointestinal function. Digestion, secretion, motility, and absorption are all part of the GI process.

Saliva Functions

Saliva does NOT emulsify lipids. It moistens and lubricates food, aids in starch digestion, enables the sense of taste, and contains enzymes that work towards killing bacteria.

Bariatric Surgery Effects

Post-bariatric surgery with a reduced stomach volume, patients will have a reduced ability to store ingested foods, requiring smaller, more frequent meals.
Their decreased stomach volume will lead to a reduced ability to form food into a bolus.
The patient's ability to digest proteins and amino acids will NOT be entirely affected by the surgery.
Chyme will not become more acidic after such surgery.
Water absorption ability will generally not be reduced.

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Description

This quiz examines key processes involved in gastrointestinal function such as digestion, secretion, motility, and absorption. Additionally, it covers the effects of bariatric surgery on stomach capacity and food digestion. Test your knowledge on these essential concepts!