Gastrointestinal Cancers
Gastrointestinal Cancers ( 35 Questions)
Correct. A colonoscopy involves the insertion of a flexible tube with a camera through the rectum to visualize the colon and obtain tissue samples for biopsy.
Incorrect. The description provided pertains more to an ultrasound or endoscopic ultrasound (EUS) rather than a colonoscopy.
Incorrect. Colonoscopy primarily examines the colon, not the esophagus.
Incorrect. This description aligns more closely with a capsule endoscopy, where a camera is swallowed to capture images, but it does not allow for biopsy.
A) Correct. A colonoscopy involves the insertion of a flexible tube with a camera through the rectum to visualize the colon and obtain tissue samples for biopsy.
B) Incorrect. The description provided pertains more to an ultrasound or endoscopic ultrasound (EUS) rather than a colonoscopy.
C) Incorrect. Colonoscopy primarily examines the colon, not the esophagus.
D) Incorrect. This description aligns more closely with a capsule endoscopy, where a camera is swallowed to capture images, but it does not allow for biopsy.