The nurse is preparing to start an IV infusion. Before inserting the needle into a vein, the nurse should apply a tourniquet to the client's arm to accomplish which of the following? 1. Distend the...

The nurse is preparing to start an IV infusion. Before inserting the needle into a vein, the nurse should apply a tourniquet to the client's arm to accomplish which of the following?

1. Distend the veins.

2. Stabilize the veins.

3. Immobilize the arm.

4. Occlude arterial circulation.