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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. |