单项选择题

A person has suffered a laceration of the arm. Severe bleeding has been controlled by using a sterile dressing and direct pressure. What should you do next?（）

A.Apply a tourniquet to prevent the bleeding from restarting
B.Apply a pressure bandage over the dressing
C.Remove any small foreign matter and apply antiseptic
D.Administer fluids to assist the body in replacing the lost blood

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热门试题

单项选择题A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning，the lifeboat should make（）.

A.an approach from leeward
B.an approach from windward
C.the most direct approach
D.an approach across the wind

单项选择题A negative metacentric height（）.

A.will always cause a vessel to capsize
B.should always be immediately corrected
C.always results from off-center weights
D.All of the above are correct

单项选择题A minor heat burn of the eye should be treated by（）.

A.gently flooding with water
B.warming the eye with moist warm packs
C.laying the person flat on his back
D.mineral oil drops directly on the eye

单项选择题A mechanical davit is designed to automatically（）.

A.position the boat at the embarkation station
B.lift the boat off the inboard chocks
C.energize the winch for the falls
D.set the brake on the winch

单项选择题A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.

A.45 minutes
B.1 hour and 15 minutes
C.1 hour and 30 minutes
D.2 hours