On the accounts payable side of the medical office, it is important for the medical biller to be aware of:

Flash burns:

A) are usually relatively minor compared with the potential for trauma from whatever caused the flash. B) are caused by prolonged exposure to intense heat, usually resulting in burns that extend deep into the dermis. C) are a common source of burn injury and are most often the result of hot liquids, such as radiator fluid. D) are generally confined to a very small area of the body, but cause extensive damage to the dermis.

The folds in the mucous membrane lining of the stomach are called ____

A) rugae B) villi C) cilia D) sphincters