After the nurse opens the roller clamp on the IV tubing, the alarm on the infusion pump indicates an obstruction, so the nurse should reposition the client's arm.
If the client's elbow is bent, the IV is also unable to infuse, leading to an obstruction alarm, that the nurse ought to 1st arrange to reposition the client's arm to alleviate any obstruction.
A roller clamp is designed to keep up at a prescribed rate the rate of flow of a fluid that flows through a tube. The roller clamp includes a tube winding shaft half around that a fluid flow tube is passed and that prevents the setting of the rate of flow being disturbed if the tube is subject to a balance force.
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