Question

19 in the first drop - down box, select the word part in the following term. then, in the second drop - down box, select the correct definition for that word part. keratopathy (click to select) (click to select)

Explanation:

In medical - related word parts, "kerato -" is a common prefix. "Kerato -" refers to the cornea or horn - like tissue. "Pathy" is a suffix meaning disease. So for the word "keratopathy", the main word part we focus on here is "kerato -" and its meaning is related to the cornea or horn - like tissue.

Answer:

First drop - down box: kerato -
Second drop - down box: cornea or horn - like tissue