女性，5分钟前被人用刀刺伤。来诊时烦躁不安，面色苍白，后反应淡漠。查体：脉搏细弱，血压测不到。左胸第4肋间胸骨旁2cm可见2cm宽刀刺伤口。心音遥远、微弱。最可能的诊断是（）

A.心脏损伤

B.左侧气胸

C.左侧血胸

D.左肺损伤

E.左胸腹联合胸

A client is 22 weeks pregnant with her first child. Her weight gain is normal, but she complains of constipation. What’s the most effective recommendation the nurse can make（）

A. "Take a mild laxative daily. "

B. "Increase intake of fluids and high-fiber foods. "

C. "Relax when trying to move the bowels. "

D. "Start a strenuous exercise program. "