单项选择题A racetrack turn would be better than a Williamson turn in recovering a man overboard if().

A.the man has been missing for a period of time
B.the sea water is very cold and the man is visible
C.there is thick fog
D.the wind was from astern on the original course


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1.单项选择题A person with diabetes has received a minor leg injured. The symptoms of the onset of a diabetic coma include().

A.reduced appetite and thirst
B.sneezing and coughing
C.only a low grade fever
D.slurred speech and loss of coordination

2.单项选择题A person who gets battery acid in an eye should IMMEDIATELY wash the eye with().

A.boric acid solution
B.water
C.baking soda solution
D.ammonia

3.单项选择题A person may operate an air compressor in which of the following areas on board a tank barge?()

A.Pumproom
B.Generator room
C.A space adjacent to a cargo tank
D.A space two meters from a cargo valve

4.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

5.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

6.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

7.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

8.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

10.单项选择题A floating ship with an initial negative metacentric height().

A.will capsize
B.will incline further
C.may lie at an angle of loll
D.may be initially level