Question

question 8
which combining form means hearing?
o trop/o
o scler/o
o opt/o
o ot/o

Explanation:

In medical - related language, the combining form "oto -" is related to the ear and thus to hearing. "trop/o" is related to turning or change, "scler/o" means hardening, and "opt/o" is related to the eye.

Answer:

D. ot/o