When assessing for appendicitis, what signs might the nurse look for? (Select all that apply.)

A. Rovsing sign: This sign involves pain in the right lower quadrant when palpating the left lower quadrant, indicating appendicitis. B. Obturator sign: Pain on internal rotation of the hip when the knee is flexed can indicate irritation of the appendix. C. Murphy sign: This sign is used to assess for cholecystitis, not appendicitis. D. Psoas sign: Pain with extension of the right leg can indicate irritation of the appendix due to the psoas muscle.