Five days after appendectomy the patient's general condition becomes worse: temperature is rising till hectic curve, elevation of leucocytosis. Mild pain in small pelvis bottom, intermittent disuric complaints, tenesmus. Which method of additional investigation will you use at first to detect causes of clinical picture?
A. Chromocystoscopy
B. Reapeated blood tests and urinalyses
C. Rectal examination
D. Rectomanoscopy
E. Control irrigoscopy
Answer: C. Rectal examination