Pap test screening, when done regularly, is the single most important tool for preventing ________ cancer

Which of the following bodily fluids is considered to be potentially infectious?

a. Blood b. Saliva in dental procedures c. Semen d. All of the above

A progressive disease that usually affects people over the age of 50 and occurs when the retina no longer receives an adequate blood supply is

A. cataracts. B. glaucoma. C. macular degeneration. D. presbyopia.