_____ is the branch of dentistry that studies and treats the diseases of tooth-supporting structures

Partial airway obstructions should be treated with:

a. encouragement to cough c. chest compressions b. abdominal thrusts d. airway-opening maneuvers

The alveolar interstitial region of the lungs remains relatively "dry" primarily because of what?

a. Low capillary hydrostatic pressure b. Low capillary osmotic pressure c. Low capillary permeability d. Low interstitial osmotic pressure