單項(xiàng)選擇題When starting CPR on a drowning victim,you should().

A.start chest compressions before the victim is removed from the water
B.drain water from the lungs before ventilating
C.begin mouth-to-mouth ventilations as soon as possible
D.do not tilt the head back since it may cause vomiting


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1.單項(xiàng)選擇題When carrying out a parallel track search pattern,the course of the search units should normally be which of the following?()

A.In the same direction as the anticipated drift
B.In the opposite direction of the anticipated drift
C.Perpendicular to the line of anticipated drift
D.Downwind

2.單項(xiàng)選擇題VHF Channel 6 is used exclusively for what kind of communications?()

A.Radio checks and time checks
B.Inter-vessel safety and search and rescue
C.Working with helicopters
D.Radio direction finding

4.單項(xiàng)選擇題The term BOLLARD PULL refers to a towing vessel’s().

A.propulsion horsepower available
B.pulling ability at cruise power
C.towing winch capability
D.pulling ability under static conditions

5.單項(xiàng)選擇題The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?()

A.It will have no effect
B.It will increase the holding power
C.It will reduce the holding power
D.It will cause the anchor to snag