A Pap smear is used to screen for cervical cancer. The Pap smear is usually done in conjunction with a pelvic exam. In women older than age 30, the Pap test may be combined with a test for human papillomavirus (HPV) â a common sexually transmitted infection that can cause cervical cancer in some women.he Pap smear is usually done in conjunction with a pelvic exam. In women older than age 30, the Pap test may be combined with a test for human papillomavirus (HPV) â a common sexually transmitted infection that can cause cervical cancer in some women.
Definition of leak for English Language Learners. : 1  a hole in a surface that lets something (such as a liquid or gas) pass in or out. : 2  an occurrence in which something (such as a liquid or gas) passes through a hole in a surface. : 3  a situation in which people learn about information that is supposed to be secret.
Carbon monoxide leaks. A gas water heater that has been neglected, improperly installed or poorly vented could leak carbon monoxide, which can be downright deadly. Carbon monoxide (CO) is an odorless, colorless gas produced from burning fuels.