Internal examination of the rectum is called?

• A. Anoscopy
• B. Rectal exam
• C. Proctoscopy
• D. Sigmoidoscopy

Answer: (B)

The key idea is distinguishing a hands-on internal check from instrument-based visualization. An internal examination of the rectum is performed with a lubricated, gloved finger to palpate the rectum from within, assessing tone, masses, tenderness, and sometimes stool or occult blood. This is the rectal examination, typically done digitally and often as part of a routine or focused GI exam. In contrast, anoscopy uses an anoscope to visualize the anal canal, proctoscopy uses a proctoscope to view the distal rectum, and sigmoidoscopy uses a scope to visualize the rectum and sigmoid colon.