Podcast
Questions and Answers
What is the approximate volume range of salivary secretion per day?
What is the approximate volume range of salivary secretion per day?
- 1000-1500 ml (correct)
- 1500-2000 ml
- 500-1000 ml
- 2000-2500 ml
During salivary secretion, what happens to the oxygen consumption of the glands?
During salivary secretion, what happens to the oxygen consumption of the glands?
- Remains the same
- Increases (correct)
- Decreases
- Fluctuates
What is the pH range of saliva?
What is the pH range of saliva?
- 6.6-7.1 (correct)
- 7.1-7.5
- 6.0-6.5
- 7.5-8.0
What action does an increase in pH (to alkaline) of saliva lead to?
What action does an increase in pH (to alkaline) of saliva lead to?
Saliva is a hypertonic solution.
Saliva is a hypertonic solution.
Salivary secretion does not involve an active process.
Salivary secretion does not involve an active process.
Salivary calculi result from the precipitation of calcium salts in the duct system.
Salivary calculi result from the precipitation of calcium salts in the duct system.
An increase in pH (to alkaline) of saliva leads to the dissolution of enamel and dentine after prolonged exposure.
An increase in pH (to alkaline) of saliva leads to the dissolution of enamel and dentine after prolonged exposure.