问题
单项选择题
影响血小板输注疗效的因素有()
A.特异性抗体的同种免疫可使患者对输入的血小板破坏加速
B.脾脏肿大和脾功能亢进
C.感染
D.存在活动性出血
E.以上均是
答案
参考答案:E
影响血小板输注疗效的因素有()
A.特异性抗体的同种免疫可使患者对输入的血小板破坏加速
B.脾脏肿大和脾功能亢进
C.感染
D.存在活动性出血
E.以上均是
参考答案:E
Passage Two
Which of the following is NOT a correct way of lifting heavy objects
A.Keep your knees and legs apart.
B.Squat down directly in front of the object.
C.Lift the object slowly.
D.Spread your arms instead of your hands.