Question

a doctor uses an instrument(s) that emits light and allows the doctor to view the inside of a patients intestine. what is the doctor most likely using? a telescope a microscope laser beams fiber optics

Explanation:

Telescopes are for distant - viewing, microscopes for small specimens, laser beams are not for internal viewing of intestines. Fiber optics can transmit light and images, and are commonly used in endoscopes to view inside the body like the intestine.

Answer:

D. fiber optics