How can i stop from bleeding from self harm ???

One thing u could do would get a bandaid and put it over the cut or you could just wash it however the blood will nto stop until it dries and makes a scab

b and d are your answers i just answered this question

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.