Ответ:
1) The needle is inserted by the doctor
2) The pocedure is often performed by nurses
3) Gentle pressure is applied to the puncture site by the doctor
4) The procedure is explained to the patient by the sister
5) The skin is cleanedby the nurse
6) This emergency procedure isn't performed by doctors without training
7) The vein is taped by the doctor
8) Generally, this procedure isn't performed by nurses