What test do you need to do before draw blood from the radial artery?

"A procedure called the Allen test may be used to find out if the blood flow to your hand is normal. For the Allen test, the health professional drawing your blood will apply pressure to the arteries in your wrist for several seconds."

make the both arteries are open and working correctly

answer; i believe that the correct answer is (participation);

load it

explanation: stack as much of ham and cheese as you can