List three treatments not covered by many dental plans

Which of these two parameters does a pulse oximeter measure? 1. O2Hb 2. Hb 3. COHb 4. MetHb

a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 3 and 4

List the four basic actions of drugs in the body

What will be an ideal response?