| A | B |
| cataract | a condition of the eye where the lens becomes cloudy or opaque, leading to blindness |
| central processing unit (CPU) | unit that controls all of the work of a computer; frequently called the "brains" of the computer |
| charge slip | a record on which charges or costs for services are listed |
| chemotherapy | treatment of a disease by way of chemical agents |
| Cheyne-Stokes respirations | periods of difficult breathing followed by periods of no respiration |
| cholelithiasis | condition of stones in the gallbladder |
| chronic | lasting a long period of time; reoccurring |
| client | person receiving service or care; a patient in health care |
| closed bed | bed that is made following the discharge of a paitent |
| colostomy | an artificial opening into the colon; allows for the evacuation of feces |
| complementary therapy | method of treatment used in conjunction with biomedical therapies |
| compress | a folded wet or dry cloth applied firmly to a body part |