A nurse is caring for a client who has a prescription for a peripheral IV catheter. After puncturing the skin with the vascular access device and noting a blood return in the flashback chamber, which of the following actions should the nurse perform next?

A. Advancing the catheter before releasing the tourniquet can increase the risk of trauma and difficulty in catheter placement. B. Releasing the tourniquet is the correct step after confirming blood return to reduce venous congestion and ease the advancement of the catheter. C. The stylet should not be retracted until the catheter is properly placed in the vein. D. Flushing the catheter with saline should only be done once the catheter is properly secured in the vein.