Which technique is used for securely tying sutures?

The correct choice emphasizes the importance of surgical knot techniques, which are foundational to secure suturing in surgical procedures. Surgical knot techniques are specifically designed to ensure that the knots formed during suturing are not only secure but also minimize the risk of slippage or loosening under tension, which is crucial in maintaining wound stability.

These techniques include various methods such as the square knot and surgeon's knot, which ensure that the sutures do not unwind even under varying stresses in the tissue. The proper application of these knot-tying techniques is vital for effective wound closure, promoting healing and reducing complications related to wound dehiscence.

In contrast, other options may represent useful skills or methods in suturing, but they do not specifically focus on the secure tying of sutures. For instance, one-handed tying is a technique used primarily for convenience and efficiency in certain scenarios but does not encompass the breadth of knowledge required for securely tying sutures across all surgical contexts. The figure-of-eight stitch, while providing good apposition of tissue, primarily serves as a stitch type rather than a knot-tying technique itself, and the simple running stitch is also a method for placing sutures that may not always offer the level of security needed for high-tension areas.