How many kilograms does a 182-pound person weigh?

After analyzing a cardiac arrest patient's heart rhythm, the AED provides a "Deliver shock" message. After clearing the patient, the AEMT's next step should be to:

A) press the shock button, and then perform CPR for two minutes. B) press the shock button, and then allow the AED to analyze the heart rhythm. C) press the shock button, and then check for the return of a pulse. D) check for a pulse, and then press the shock button if a pulse is not present.

Which of the following is defined as the resistance that a ventricle must overcome to eject blood?

a. Stroke work b. Stroke index c. Ventricular preload d. Ventricular after-load