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chapter 13


The visualization of the entire colon using an colonscope. Colonoscopy
An instrument that consists of a tube and an optical system that is used for direct visual inspection of organs or cavities. Endoscope
To blow a powder, vapor, or gas(e.g, air) into a body cavity. Insufflate
The darkening of the stool caused by the presence of blood in a amount of 50ml or greater. Melena
Blood in such a small amount that it is not detectable by the unaided eye. Occult blood
(as it pertains to the guaiac slide test) A substance that is able to transfer oxygen from hydrogen peroxide to oxidize guaiac, causing the guaiac to turn blue Peroxidase
An endoscope that is specially designed for passage through the anus to permit visualization of the rectum and sigmoid colon. Sigmoidoscope
The visual examination of the rectum and sigmoid colon using sigmoidoscope. Sigmoidoscopy
The surgical removal and examination of tissue from the living body. Biopsies generally are preformed to determine weather a tumor is benign or malignant. Biopsy
Created by: jab10