What Is the Correct Translation and Definition of the Abbreviation

Multiple Choice

What is the correct translation and definition of the abbreviation RP?

A) Renal pelvis, the holding area for urine before the body eliminates it through urination
B) Renal pelvis, the holding area for waste within the kidneys
C) Renal problem, a problem with the kidney
D) Retrograde pyelogram, image of the renal pelvis produced by injecting a contrast dye from the bladder to the kidney