如图，一束光从直角三角形玻璃砖AB面垂直射入，并从玻璃砖AC面射出．请画出光束进入玻璃砖和离开玻璃砖后的光路．

A client had a nephrectomy 2 days ago and is now complaining of abdominal pressure and nausea. What should the nurse do first

A．Auscultate for bowel sounds.

B．Palpate the abdomen.

C．Change the client's position.

D．Insert a rectal tube.