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Questions and Answers
What is the primary role of saliva in the oral cavity?
What is the primary role of saliva in the oral cavity?
- To enhance taste perception significantly
- To provide lubrication and facilitate digestion (correct)
- To primarily act as a barrier against infections
- To absorb nutrients directly from food
Which major salivary gland produces the largest percentage of total saliva volume?
Which major salivary gland produces the largest percentage of total saliva volume?
- Submandibular gland (correct)
- Sublingual gland
- Parotid gland
- Minor salivary glands
What distinguishes serous saliva from mucous saliva?
What distinguishes serous saliva from mucous saliva?
- Mucous saliva is produced primarily by the major salivary glands.
- Serous saliva contains more enzymes than mucous saliva. (correct)
- Mucous saliva has a higher water content than serous saliva.
- Serous saliva is thicker than mucous saliva.
How much saliva does an average person produce in a day?
How much saliva does an average person produce in a day?
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Which factor can lead to decreased salivary flow?
Which factor can lead to decreased salivary flow?
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Study Notes
Saliva
- Saliva is a colourless, slightly sticky solution produced by salivary glands.
- It is either serous or mucous in consistency.
- We produce between 1-1.5 liters of saliva per day.
Sources of Saliva
- Submandibular glands produce the most saliva (60-65% of total volume).
- Parotid glands produce 25% of total saliva volume.
- Sublingual glands produce 5-10% of total saliva volume.
- Minor salivary glands are also contributors.
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