What does the presence of mixed genital flora isolated in a urine culture typically indicate?
A) A highly specific infection caused by a single pathogen requiring targeted antibiotics.
B) Contamination of the urine sample with bacteria from the genital area, which may not indicate a true urinary tract infection (UTI).
C) The presence of a rare and unusual pathogen that needs specialized treatment.
D) An underlying systemic infection affecting multiple organ systems.