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

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

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

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

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

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