单项选择题The MOST important element in administering CPR is().

A.having the proper equipment for the process
B.starting the treatment quickly
C.administering of oxygen
D.treating for traumatic shock


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1.单项选择题The most effective first aid treatment for chemical burns is to immediately().

A.apply ointment to the burned area
B.flood the affected area with water
C.wrap the burn with sterile dressing
D.apply an ice pack to the burned area

2.单项选择题The minimum concentration of a vapor in air which can form an explosive mixture is called the().

A.auto-ignition point
B.flash point
C.lower explosive limit (LEL)
D.threshold limit value (TLV)

3.单项选择题The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of().

A.one approved flotation cushion for each person on board
B.one approved life preserver for each person on board and one life ring
C.one approved inflatable vest for each person on board
D.lifeboat capacity equal to 1 1/2 times the number of persons on board

4.单项选择题The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to().

A.one-half the SWL of the main towing hawser
B.three-fourths the SWL of the main towing hawser
C.that of the main towing hawser
D.twice that of the main towing hawser

5.单项选择题The maximum speed of lowering for a lifeboat on gravity davits is controlled by the().

A.limit switches
B.emergency disconnect switch
C.governor brake
D.position of the counterweight on the brake handle

6.单项选择题The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is().

A.surfaced with a nonskid texture
B.roped off to prevent unnecessary access
C.kept clear of any obstructions that would interfere with launching
D.posted with a list of persons assigned to the lifeboat

7.单项选择题The lifeboat releasing gear lever should be marked with the words().

A.DANGER,DO NOT TOUCH
B.DANGER,BOAT MAY DROP
C.DANGER,LEVER RELEASES BOAT
D.DANGER,LEVER DROPS BOAT

8.单项选择题The length of the steering oar in a lifeboat is().

A.shorter than the rowing oars
B.the same length as the rowing oars
C.longer than the rowing oars
D.unrelated to the length of the rowing oars

9.单项选择题The grab rail of a metal lifeboat is normally located().

A.along the turn of the bilge
B.along each side of the keel
C.near the top of the gunwale
D.at the bow and at the stern

10.单项选择题The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at().

A.safe speed only specified
B.not less than 120 feet per minute
C.not more than 120 feet per minute
D.not more than 90 feet per minute