Question 163 · LDEK · Etiology and pathogenesis of caries
Indicate the false statement concerning inorganic ingredients of saliva?
- A. amount of sodium ions is low in unstimulated saliva and increases in stimulated saliva.
- B. amount of HCO₃⁻ increases in unstimulated saliva and decreases in stimulated saliva.
- C. Ca²⁺ ions appear in saliva in the same form as in apatite.
- D. inorganic components are present in saliva in the ionic form.
- E. the bicarbonate ions present in saliva do not come from the blood.
Hint
Think about how ductal reabsorption and bicarbonate secretion change when the salivary flow rate rises sharply.
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