which of the following is best to use when applying direct pressure to control life-threatening bleeding?

When applying direct pressure to control life-threatening bleeding, the best option to use is a hemostatic dressing. Hemostatic dressings are specially designed to promote clotting and effectively stop severe bleeding by containing substances that accelerate the clotting process. If a hemostatic dressing is not available, a gauze pad or a clean cloth such as a t-shirt can be used as a temporary dressing for direct pressure. The technique involves placing the dressing directly on the wound and applying firm, steady pressure with both hands until the bleeding stops or until other measures like a tourniquet become available. The pressure might be painful but is necessary to control the bleeding. Continue applying pressure until the bleeding stops or help arrives, and immobilize the injured limb if possible to aid control. In summary, hemostatic dressings are best for direct pressure in life-threatening bleeding, followed by gauze pads or clean cloths as alternatives when hemostatic dressings are not accessible.