Podcast
Questions and Answers
Which of the following is NOT a primary function of the liver?
Which of the following is NOT a primary function of the liver?
- Deamination of amino acids
- Cholesterol production
- Urea excretion
- Bile production
- Nutrient absorption (correct)
- Recycling of red blood cells
Where does the majority of nutrient absorption take place in the digestive system?
Where does the majority of nutrient absorption take place in the digestive system?
- Colon
- Beginning of the small intestine (correct)
- Stomach
- Rectum
- Latter part of the small intestine
Which of the following pairs correctly matches a digestive component with its associated function or location?
Which of the following pairs correctly matches a digestive component with its associated function or location?
- Pancreas—bile
- Cardiac sphincter—small intestine
- Colon—villi
- Amylase—digests proteins
- H. pylori—ulcers (correct)
In which of the following locations does the digestion of starch initially begin?
In which of the following locations does the digestion of starch initially begin?
Where is starch digestion completed?
Where is starch digestion completed?
The digestion of proteins begins in which of the following organs?
The digestion of proteins begins in which of the following organs?
In which part of the digestive system does the majority of water absorption occur?
In which part of the digestive system does the majority of water absorption occur?
Which of the following organs in the digestive system is involved in producing certain vitamins?
Which of the following organs in the digestive system is involved in producing certain vitamins?
Which of the following is the organ of egestion?
Which of the following is the organ of egestion?
Villi, which increase the surface area for absorption, are primarily found in which digestive organ?
Villi, which increase the surface area for absorption, are primarily found in which digestive organ?
Gastric enzymes, such as pepsin, function most effectively in what type of environment?
Gastric enzymes, such as pepsin, function most effectively in what type of environment?
Intestinal enzymes function most effectively in an environment with what pH?
Intestinal enzymes function most effectively in an environment with what pH?
Where are lacteals located, and what is their role in digestion?
Where are lacteals located, and what is their role in digestion?
The digestive tract primarily consists of what type of muscle tissue, and under the control of which nervous system?
The digestive tract primarily consists of what type of muscle tissue, and under the control of which nervous system?
Flashcards
Liver Functions
Liver Functions
The liver performs many functions, including cholesterol production, recycling red blood cells, bile production, deamination of amino acids, and excretion of urea. It does not absorb nutrients.
Nutrient Absorption
Nutrient Absorption
Nutrient absorption primarily occurs in the small intestine due to the presence of villi and microvilli, which increase the surface area for absorption.
H. pylori and Ulcers
H. pylori and Ulcers
H. pylori is correctly matched with ulcers. This bacterium is known to cause peptic ulcers in the stomach and duodenum.
Starch Digestion Begins
Starch Digestion Begins
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Starch Digestion Completion
Starch Digestion Completion
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Protein Digestion Begins
Protein Digestion Begins
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Water Absorption Location
Water Absorption Location
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Vitamin Production Site
Vitamin Production Site
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Organ of Egestion
Organ of Egestion
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Location of Villi
Location of Villi
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Gastric Enzyme pH
Gastric Enzyme pH
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Intestinal Enzyme pH
Intestinal Enzyme pH
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Lacteal Function and Location
Lacteal Function and Location
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Digestive Tract Control
Digestive Tract Control
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Study Notes
- The liver does not absorb nutrients.
- The liver functions include cholesterol production, recycling red blood cells, bile production, deamination of amino acids, and excretion of urea.
- Absorption of nutrients occurs in the latter part of the small intestine.
- H. pylori is correctly matched with ulcers.
- The cardiac sphincter is associated with the stomach, not the small intestine.
- Villi are found in the small intestine, not the colon.
- Bile is produced in the liver, not the pancreas.
- Amylase digests starches, not proteins.
- Digestion of starch begins in the mouth.
- Digestion of starch is completed in the small intestine.
- Digestion of proteins begins in the stomach.
- Water absorption occurs in the colon.
- Vitamin production occurs in the colon.
- The organ of egestion is the colon.
- Villi are contained in the small intestine.
- Gastric enzymes work best in an environment with a pH of 2.
- Intestinal enzymes work best in an environment with a pH of 8.
- The lacteal is found in the villi and is involved with the absorption of fatty acids.
- The digestive tract consists of smooth muscle and is under the control of the autonomic nervous system.
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