One of the earliest written records of medicinal uses of plants was found in:

The major drawback of mouth-to-mouth ventilations is:

A) an oxygen level in the rescuer's exhaled air of only 10 to 12 percent. B) potential exposure of the rescuer to body fluids. C) inability to achieve adequate tidal volumes for ventilation. D) a high level of carbon dioxide in the rescuer's exhaled air.

Fiber optics, microwave, and cryotherapy are used in

A) laparoscopic surgery B) mapping C) genetic therapy D) minimally invasive surgery