A shipmate suffers a heart attack and stops breathing. You must（）.

单项选择题A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.

A.perform the Heimlich maneuver
B.make the victim lie down with the feet elevated to get blood to the brain
C.immediately administer CPR
D.do nothing until the victim becomes unconscious

单项选择题A ship must have on board a first-aid kit that is approved by the（）.

A.Minerals Management Service
B.Occupational Safety and Health Administration
C.Mine Safety and Health Administration
D.American Bureau of Shipping

单项选择题A seaman is reported missing in the morning and was last seen after coming off the mid-watch. Which type of turn would you use to return to the trackline steamed during the night?（）

A.Williamson
B.Racetrack
C.180°turn
D.Anderson

单项选择题A seaman has a small，gaping laceration of the arm that is not bleeding excessively. What can be done as an alternative to suturing to close the wound?（）

A.Wrap a tight bandage around the wound
B.Apply a compression bandage
C.Use temporary stitches of sail twine
D.Apply butterfly strips，then a sterile dressing

单项选择题A rescuer can most easily determine whether or not an adult victim has a pulse by checking the pulse at the（）.

A.carotid artery in the neck
B.femoral artery in the groin
C.brachial artery in the arm
D.radial artery in the wrist