单项选择题

Bleeding from a vein may be ordinarily controlled by（）.

A.applying direct pressure to the wound
B.heavy application of a disinfectant
C.pouring ice water directly onto the wound
D.pinching the wound closed

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Bleeding from a vein is（）.

A.dark red and has a steady flow
B.bright red and slow
C.bright red and spurting
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Basic emergency care for third degree electrical burn is to（）.

A.flood the burned area with warm water for two minutes
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