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chapter 13


Biopsy the surgical removal and examination of tissue from the living body; generally performed to determine whether a tumor is benign or malignant.
Colonoscopy The visualization of the entire colon using a colonoscope.
Endoscope an instrument that consists of a tube & an optical system that is used for direct visual inspection of organs or cavities.
Insufflate to blow a powder, vapor, or gas (air) 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 a small amount that it is not detectable by the unaided eye.
Peroxidase as it pertains to the guaiac slide test, it is 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 visualization of the rectum & sigmoid colon.
Sigmoidoscopy the visual examination of the rectum & sigmoid colon using a sigmoidoscope.
Created by: heathertaylor