Final answer:
The expected pH of the patient's urine sample would be 6. Urease-producing bacteria convert urea into ammonia, which raises the pH of the urine.
Step-by-step explanation:
The expected pH of the patient's urine sample would be B. 6. Urease-producing bacteria convert urea into ammonia, which raises the pH of the urine. Since the pH range of normal urine can vary from 4.5 to 8.0, the presence of urease-producing bacteria would likely increase the pH towards the alkaline end of the range, resulting in a pH of approximately 6.