All of the above (marcaine, xylocaine, and novocain are local anesthetics)
Explanation:
Local anesthetics are medications that are administered to render a specific part of the body numb, and cause loss of sensation usually for a short period of time. The patient administered a local anesthetics, only feels numbness in the targeted part during the surgical procedure, and as such feels no pain or stress on the part of the body where such procedure is being performed.
All of the above listed medications are examples of local anesthetics.
