Proper insertion of an intraosseous (IO) catheter involves:
A. pushing the catheter straight down until you meet sudden resistance.
B. locating the flat plate of the lateral aspect of the proximal tibia.
C. using a twisting motion and inserting the catheter at a 90° angle.
D. inserting the catheter at a 45° angle while using a twisting motion.
Answer: C. using a twisting motion and inserting the catheter at a 90° angle.
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