What is the route of administration for methylphenidate LA/SR?

Pressure tanks are usually kept approximately ______ full of water and ______ full of pressurized air

a. one-half; one-half b. one-third; two-thirds c. two-thirds; one-third d. three-quarters; one-quarter

Dysplasias and carcinomas account for approximately what percentage of clinical idiopathic erythroplakias seen in oral mucous membranes?

a. 10% b. 25% c. 50% d. 75% e. 90%