Which points are important when giving practical knowledge to nursing students about preventing complications in the hospital?

The most important points to prevent complications in the hospital are: teaching nursing students that they are not accountable if a patient is harmed, as well as encouraging them to work as nursing assistants when not attending classes and telling them they  should notify the nursing supervisor when they are delegated tasks they are not prepared for.

can you plz give me the following

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.