c. Straighten the joint above the site. Obstruction is often caused by client movement, resulting in a bend in the client’s proximal joint. Therefore, this noninvasive measure should be the next action taken by the nurse. This will create further obstruction (a). This is often helpful to check for the presence of a blood flashback, indicating the IV is still infusing in the vein. However, another action should be taken first (b). Although dressing that is too tight may obstruct the flow of the IV solution, another action should be taken first (d). More test answers on https://studyhippo.com/fluid-balance-evolve/