The Patient Has a Routine Urinalysis Done, and the Results

The patient has a routine urinalysis done, and the results show protein in the urine. What does the nurse correctly conclude about this result?

A) The patient is in acute renal failure and needs to be hospitalized.
B) The patient probably has kidney damage; protein should not be present in the urine.
C) There could be a mistake with the results; the patient should have another test done.
D) The results probably mean nothing if the amount of protein is very small.