18.
Fact Sheet lists important information about genital human papillomavirus, or HPV. Based on the Fact Sheet, what percentage of cervical cancer cases are caused by HPV?

A. 70 percent

B. 100 percent

C. 14 percent

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease