Multiple choice

Which of the following is true about xerostomia?

  1. Ph of saliva increases

  2. Ph of saliva decreases

  3. Ph of saliva increases in morning and decreases in evening

  4. Ph of saliva remains unchanged
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Xerostomia is not a disease by itself, but the result of certain other disease. Only the quantity of saliva secreted is decreased in xerotomia, but the quality remains unchanged.

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