When obtaining a drug history from harold, he gives you a complete list of his prescription medications. he denies taking any other drugs, but you find that he occasionally takes aspirin for his arthritis flare ups. this is an example of: ?

The answer to this question is that this case is an example of a common misconception that intermittently taken OTC medications are not an important part of his drug history
D.A common misuse of OTC aspirin. The misuse of over the counter drugs can result to a health problem that the person will encounter.

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.