Why might an advance directive be used? 1. to force a patient to follow the doctor's request
2. to force a patient to follow the patient's family's requests
3. to force a doctor to follow the patient's family's requests
4. to force doctors to follow the patient's request

#4

Explanation:

Advanced directive puts the patients wishes in writing for family and doctors

a lot ig i am not sure

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.