When using a stick and square knot as a tourniquet to control severe bleeding from an amputated arm, the EMT should:
A. cover the tourniquet with a sterile dressing.
B. remove the tourniquet if the bleeding has stopped.
C. twist the stick until the radial pulse disappears.
D. stop twisting the stick when the bleeding stops.
Answer: D. stop twisting the stick when the bleeding stops.
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