click below
click below
Normal Size Small Size show me how
Bonewit chap 13
End of chapter terms for chap 13
Question | Answer |
---|---|
Biopsy | surgical removal and examination of tissue from the living body. Bx generally are performed to determine whether a tumor is benign or malignant |
colonoscopy | visualization of the entire colon using a colonoscope |
endoscope | instrument that consists of a tube and an optical system that is used for direct visual inspection of organs or cavities |
insufflate | to blow a powder, vapor, or gas in to a body cavity |
melena | darkening of the stool caused by the presence of blood in an amount of 50 ml or greater |
occult blood | blood in such a small amount that is not detectable by the unaided eye |
peroxidase | substance that is able to transfer O2 from hydrogen peroxide to oxidize guaiac, causing the guaiac to turn blue |
sigmoidoscope | endoscope that is specially designed for passage through the anus to permit visualization of the rectum and sigmoid colon. |
sigmoidoscopy | visual examination of the rectum and sigmoid colon using a sigmoidoscope. |