Which is appropriate for the POL?

The tourniquet that is appropriate for the POL (Physician Office Laboratory) is:

surgical tourniquets.

Explanation:

Tourniquets are medical devices to control loss of blood from deep wounds in order to save a life. Available tourniquets include: surgical tourniquets, emergency tourniquets, combat application tourniquets, and rehabilitation tourniquets.  The appropriate tourniquets for the physician office laboratory (POL) should be surgical tourniquets. Surgical tourniquets are used by physicians and surgeons in hospitals. Rehabilitation tourniquets are used in rehabilitation settings. Emergency tourniquets are used outside the medicare environment, while combat application tourniquets are for military use.

d, i believe because of it's activity level