Podcast
Questions and Answers
What is the daily average secretion of saliva?
What is the daily average secretion of saliva?
- 1600-2000 ml
- 500-800 ml
- 800-1500 ml (correct)
- 200-500 ml
What is the pH range of saliva?
What is the pH range of saliva?
- 5.0-6.0
- 7.0-8.0
- 6.0-7.0 (correct)
- 4.0-5.0
What is the function of ptyalin in saliva?
What is the function of ptyalin in saliva?
- Enzyme for digesting starches (correct)
- Surface protective purposes
- Protein secretion
- Mucin for lubricating
Which gland secretes 70% of the total saliva?
Which gland secretes 70% of the total saliva?
Which part of the gastrointestinal system is responsible for mixing and storage?
Which part of the gastrointestinal system is responsible for mixing and storage?
Flashcards
Daily saliva secretion (mL)
Daily saliva secretion (mL)
The average amount of saliva produced daily is between 800 and 1500 milliliters.
Saliva pH range
Saliva pH range
Saliva typically has a pH between 6.0 and 7.0.
Ptyalin function
Ptyalin function
Ptyalin, an enzyme in saliva, helps break down starches.
Major saliva gland
Major saliva gland
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Stomach's role
Stomach's role
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Study Notes
Saliva
- The daily average secretion of saliva is approximately 1-2 liters.
- The pH range of saliva is 6.8-7.4, which is slightly acidic to neutral.
Enzymes in Saliva
- Ptyalin, an enzyme in saliva, breaks down starch into maltose.
Salivary Glands
- The parotid gland secretes 70% of the total saliva.
Gastrointestinal System
- The stomach is responsible for mixing and storage of food during digestion.
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Description
Test your knowledge of gastrointestinal system physiology with this quiz! Learn about the different parts of the digestive tube, including the mouth, esophagus, stomach, small intestine, colon, rectum, anus, liver, and pancreas. Explore concepts such as chewing, hydrolysis, pushing the bolus, mixing, storage, and absorption.
