An instrument that can be used to visually examine the S-shaped portion of the large intestine is a(n)
A)gastroscope
B)sigmoidoscope
C)anoscope
D)ileoscope
E)proctoscope

Question

Quizplus · Accepted Answer

The S-shaped portion of the large intestine is the sigmoid colon. A sigmoidoscope is a flexible instrument that can be used to visually examine this area of the colon. A gastroscope is used to examine the stomach and upper part of the small intestine, an anoscope is used to examine the anus and lower part of the rectum, an ileoscope is used to examine the ileum (the last part of the small intestine), and a proctoscope is used to examine the rectum.

An Instrument That Can Be Used to Visually Examine the S-Shaped