Question 15 - Endocrine/​Hematology/​Gastrointestinal/​Renal/​Integumentary Practice Test for the CCRN

The nurse is caring for a patient 48 hours following laser lithotripsy with stent placement. When the patient voids, the urine has a foul odor and the patient complains of pain. Several hours later, the patient develops a fever, chills, abdominal pain, urinary frequency, and severe left flank pain. The nurse anticipates these symptoms are caused by ____.