In third-degree AV block, if the impulse causing ventricular depolarization is coming from the AV junction, what will the heart rate be?

Which of the following BEST describes the location of the mid-axillary line?

A) A line drawn diagonally from the outer end of the clavicle to the navel B) A line from the center of the armpit, extending vertically down the side of the chest C) A line drawn horizontally from one armpit to the other, across the front of the body D) A line drawn vertically from the xiphoid process to the pubic bone

To determine the appropriate size of supply and exhaust fans for the atrium, fire protection engineers use the equations in ____________

a. NFPA 13 b. NFPA 72 c. NFPA 2001 d. NFPA 92B