The Nurse Is Having Difficulty Accessing a Client's Vein to Insert

The nurse is having difficulty accessing a client's vein to insert an intravenous catheter. Which of the following interventions can be used to assist in this process? (Select all that apply.)

A) Use a tourniquet.
B) Dangle the arm off the side of the bed.
C) Apply a warm towel.
D) Have the client pump the fist.
E) Apply a heating pad.
F) Warm the catheter in the microwave.