Question

1. identify the word root in the term hydronephrosis. hydr/o nephr nephr/o -osis

Explanation:

A word root is the core part of a medical term. In "hydronephrosis", "hydr/o" is a combining form (prefix - like part related to water), "-osis" is a suffix (indicating a condition). "Nephr" is the word root meaning kidney.

Answer:

nephr