單項選擇題

An effective method for moving patients with spinal injuries onto a spine board is known as the（）.

A.pack-strap carry
B.two man extremities carry
C.fireman's drag
D.four man log roll

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An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?（）

A.Fire a red flare at night or a red smoke signal by day
B.Send the Morse signal N by flashing light
C.Make a round turn (360°) and resume course
D.Make an S turn (hard right then hard left) and resume course

單項選擇題

An advantage of a dry chemical over a carbon dioxide fire extinguisher is its（）.

A.greater range
B.effectiveness on all types of fires
C.cleanliness
D.All of the above