A Patient Presents to the Emergency Department with Complaints of Chills

A patient presents to the emergency department with complaints of chills, severe flank pain, dysuria, and urinary frequency. The vital signs are temperature of 102.9° F, pulse of 92 beats per minute, respirations of 24 breaths per minute, and blood pressure of 119/58 mm Hg. The nurse would be correct to suspect that the patient shows signs and symptoms of:

A) acute cystitis.
B) urinary tract infection.
C) pyelonephritis.
D) prostatitis.