如果受条件限制,水池水位低于消防泵的泵轴线,启动水泵时需要引水,这种方式被称为()。
A.自灌式吸水
B.非自灌式吸水
C.直接吸水
D.间接吸水
参考答案:B
类风湿性关节炎较具特异性的自身抗体是
A.抗IgG Fc片段
B.抗双链DNA和Sm抗原抗体
C.抗SS-A和SS-B抗体
D.抗DNA拓扑异构酶抗体
E.抗tRNA合成酶抗体
A seaman has a small,gaping laceration of the arm that is not bleeding excessively. What can be done as an alternative to suturing to close the wound?()
A.Wrap a tight bandage around the wound
B.Apply a compression bandage
C.Use temporary stitches of sail twine
D.Apply butterfly strips,then a sterile dressing