<prompt> Which of the following drains directly into inferior vena cava?Superior mesenteric veinInferior mesenteric veinRight suprarenal veinRenal vein  <response>: Left testicularovariansuprarenal vein drain into left renal vein before entering into IVC, whereas right testicularovarian suprarenal both renal veins drain into IVC Ref: Grays 39ep1026 