Anesthesia codes are usually billed by the:

For a given velocity of flow, the friction loss per hose is approximately the same no matter what the pressure of water may be. Friction loss is determined by the speed or velocity of the water through the fire hose

A. The first statement is true, the second is false B. The second statement is true, the first is false C. Both are false D. Both are true

What two factors determine cardiac output?

a. Ventricular filling and heart rate b. Stroke volume and heart rate c. Stroke volume and respiratory rate d. Heart rate and tidal volume