Jackie's Ankles Are Very Swollen at Night After Work

Multiple Choice

Jackie's ankles are very swollen at night after work. When she went to the doctor about the problem, the doctor requested a urine specimen. Why?

A) Jackie could be suffering from edema. If so, the urine sample might contain protein or urea.
B) Jackie is probably drinking too much water. If so, the urine will be very dilute.
C) Jackie might be suffering from kidney stones and the doctor is looking for small stones in the urine.
D) Jackie could have an inactive bladder and the doctor wants to see if Jackie is capable of urinating.