The nurse is unable to flush a central venous access device and suspects occlusion. The best nursing intervention would be to
A. Apply warm moist compresses to the insertion site.
B. Attempt to force 10 mL of normal saline into the device.
C. Place the patient on the left side with head-down position.
D. Instruct the patient to change positions, raise arm, and cough.
Ans: D. Instruct the patient to change positions, raise arm, and cough.
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