____________________ is defined by the World Health Organization (WHO) as "a state of complete physical, mental, and social well-being and not merely the absence of disease and infirmity."

Which of the following chemicals causes a painless burn and can result in significant damage before it is identified?

A) Phenol B) Sulfur mustard C) Sulfuric acid D) Potassium hydroxide

While performing a Gram's stain, the safranin solution is applied to the slide for approximately ____

A) 3 to 5 seconds until the solution runs off clear B) 20 to 30 seconds C) 30 to 40 seconds D) 30 to 60 seconds