题目内容

Scientific Power Supply provides( )output.

A. constant AC voltage
B. constant AC current
C. constant DC voltage
D. constant DC current

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To get 6V DC output, users can follow the instructions: turn the DC CURRENT ADJUST knob fully clockwise, then adjust the () knob until the 6V indicated on the meter.

A. DC VOLTAGE ADJUST
B. VOLTAGE COARSE ADJUST
C. VOLTAGE FINE ADJUST
DC CURRENT ADJUST

For the AC line voltage of 220V, on the Rear Panel of the Power Supply, the AC Switch 17 should be set to () position and the AC Switch 18 should be set to () position.

A. up
B. down
C. left
D. right

关于狂犬病预防,经典的暴露后免疫5针肌肉注射法是注射时间是指伤后

A. 0天,3天,7天,21天,28天
B. 0天,7天,14天,21天,28天
C. 0天,1天,3天,7天,14天
D. 0天,1天,7天,14天,21天
E. 0天,1天,7天,21天,28天

被狗咬伤接受了5针免疫注射的人,如果再别狗咬伤,说法正确的是

A. 仍需清洗伤口
B. 仍需注射狂犬病免疫球蛋白
C. 伤后立即加强2针(0天,3天)
D. 不能明确疫苗是否有效需再次依据经典的暴露后免疫5针肌肉注射法实施预防
E. 仍需要注射疫苗预防狂犬病

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