Answer:
Answer is C.
Step-by-step explanation:
Laboratory analysis for UTI would most likely involve urinalysis (dip + micrscopy) and urine culture.
The dip shows a lot of semi-quantitative information including presence of RBCs, WBCs, proteins, ketones, and nitrites, as well as the pH and specific gravity (among other things). A culture would grow bacteria if any were present.
In this question your options are anuria (no urine output), oliguria (low urine output), pyuria (WBCs/pus in urine), and nocturia (urination at night). Urinalysis doesn't measure how much urine is produced (eliminating A and B) nor does it consider when the urine is produced (eliminating D). It does directly measure WBCs in the urine making C your answer.