Final answer:
To demonstrate the right colic flexure during a colon examination, a colonoscopy, flexible sigmoidoscopy, or a virtual colonoscopy can be employed, with colonoscopy providing a full view of the colon.
Step-by-step explanation:
To best demonstrate the right colic flexure, also known as the hepatic flexure, during an examination of the colon, methods such as a colonoscopy, flexible sigmoidoscopy, or a virtual colonoscopy can be utilized. A colonoscopy allows for the inspection of the entire colon, giving a clear view of the right colic flexure, whereas a flexible sigmoidoscopy is limited to the rectum and lower third of the colon. A virtual colonoscopy, which employs CT scans to generate cross-sectional images, can also provide detailed visualization of the right colic flexure, but if abnormalities are detected, a follow-up colonoscopy may be necessary for further examination.