Mr. Black is having a check at the Department of Gastroenterology.A nurse will draw some blood for him. Listen to the conversation and put the following items into correct order. Task 1.mp3: 1. Sterilize the skin 2. Get the report 3. Take off coat and roll up your sleeve 4. Clench your fist 5. Open your hand 6. Send specimen to the laboratory 7. Tie the tourniquet 8. Press with cotton swab