Pulse oximetry uses ________ technology to assess the oxygen saturation of hemoglobin in the peripheral tissues

What should firefighters keep in mind when evaluating new technology?

A) A better way to do things B) Cost C) The basics D) The future

NFPA 1584 recommends that firefighters prehydrate within ____ hour(s) of planned events by drinking 500 milliliters (16 ounces) of fluid.

A. one B. two C. three D. four