Which of these is the responsibility of public health?
a. drug prescriptions
b. disease diagnosis
c. disease reporting
d. self-exams for breast and testicular cancer

It is A because it is our responsibility to use it like a responsible person 

It settles nerves, reduces the tension.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.