COMLEX Osteopathic Physician Exam Prep

Answer - B - Although a urinary tract infection with E.coli can make urine more acidic, infections with bacteria species of proteus or peudomonas, which produce urease, will cause urine to become basic or more alkaline. Respiratory acidosis can cause acidic urine, while respiratory alkalosis that occurs with conditions like hyperventilation can cause alkalinity to increase.