The following are multiple choice questions (with answers) about medical knowledge.   **Question:** All of the following structures lie in the relation to the left ureter except:   (A) Mesentery of sigmoid colon   (B) Bifurcation of common iliac aery   (C) Quadratus lumborum   (D) Gonadal vessels
['(C) Quadratus lumborum <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mesentery of sigmoid colon \n (B) Bifurcation of common iliac aery \n (C) Quadratus lumborum \n (D) Gonadal vessels <> possible answers', '  All of the following structures lie in the relation to the left ureter except: <> context@']