Which of the following describes a single pass of a rope behind an object?

A single pass of a rope behind an object is best described as a turn. In rope rescue operations, a turn refers to the way the rope is directed around an object but does not create any significant alterations in the rope's overall formation, such as adding additional loops or wraps.

Understanding how turns function is critical in rope rescue as they help redistribute forces and create attachment points, all while keeping the system manageable and effective.

The term "loop" implies that the rope is doubled back on itself, which would not accurately represent a single pass. A "wrap" typically refers to multiple turns around an object, which is not applicable if only one turn is involved. The term "cross" might imply overlapping or intersecting ropes, which doesn't capture the essence of a simple pass around an object.

Therefore, the term turn describes this scenario accurately, highlighting the simplicity and directness of making a single contact point between the rope and the object.