The value of human life and the economic implications of the loss of functional individuals in a society as measured by public health is:
a. burden of disease
b. birth rate
c. life expectancy
d. disability adjusted life years

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.