If a sentence is incomplete, it will have no period (.) question mark (?) or excalamation mark (!) at the end
Answer: In part (A), Pgas>Patm, as evidenced by the column of mercury being "pushed up" in the manometer on the side of Patm - in this case, you'll need to add (the amount it's "pushed up") to atmospheric pressure (i.e., 764 mm Hg). You state that you tried to subtract 40.0 from 764.0: Look at the graphic again (I hold it's 7 cm - or 70 mm - Hg) and try adding that number to 764 mm Hg instead of 40 mm Hg.
Explanation:
Answer: For an infant, use the 2-finger chest compression technique while only one rescuer is present. Once the second rescuer returns, us the 2 thumb-encircling hands technique. For a child, use one or two hands, whatever is needed to provide adequate compression depth.
Explanation: