Question

the same but different. more than one word element can have the same meaning. in this body system, nephr/o and ren - both mean kidney. the elements are not interchangeable - one particular element will be used for a specific term. you need to know them individually. fill in the blanks. read carefully!

1. medical specialist in kidney treatment
2. medical specialty in kidney diseases
3. pertaining to the kidney.

Explanation:

1. Uses the root nephr/o- (kidney) + -logist (specialist) for nephrologist; ren- (kidney) forms renal specialist, a common alternative term.
2. Combines nephr/o- + -logy (study of) for nephrology, the formal specialty name; renal medicine is the equivalent using the ren- root.
3. Nephric derives from nephr/o-, and renal comes from ren-, both adjectives meaning "relating to the kidney".

Answer:

1. Nephrologist / Renal specialist / Kidney doctor
2. Nephrology / Renal medicine / Kidney disease specialty
3. Nephric / Renal