Write the meaning of these commonly used abbreviations in medication orders. s

The biconcave disk shape of healthy red blood cells provides increased surface area for ________

a. contact with plasma b. exposure of iron molecules c. gas exchange d. contact with platelets

Abrasives usually do NOT damage enamel, but they may dull the tooth luster. To compensate for this, polishing agents are added to the dentifrice formulation

A) First statement is true, second statement is false. B) First statement is false, second statement is true. C) Both statements are true. D) Both statements are false.