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chapter 13
colon precedures and male reproductive
Question | Answer |
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Biopsy | the surgical removal and examination of tissue from the living body. biopsies generally are performed to determine whether a tumor is benign or malignant. |
colonoscopy | the visualization of the entire colon using a colonscope |
endoscope | An instrument that consist 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 into a body cavity. |
Melena | The darkening of the stool caused by the presence of blood in an amount of 50 ml or greater. |
Occult blood | Blood in such small amount that it is not detectable by the unaided eye. |
Peroxidase | A substance that is able to transfer oxygen from hydrogen peroxide to oxidize guaiac, causing the guaiac to turn blue |
sigmoidoscope | An endoscope that is specially designed for passage through the anus to permit visualzation of the rectum and sigmoid colon |
sigmoidoscopy | The visual examination of the rectum and sigmoid colon using a sigmoidscope |