The CMS-1500 insurance claim form is used to report services for patients who are hospitalized.

As you enter the scene of a medical emergency, the Emergency Medical Responder informs you that the patient is not breathing and has pupils that are fixed and dilated. Based on this description, which one of the following are you expecting to see when you reach the patient's side?

A) Both pupils are large and change shape to light. B) The patient must wear corrective lenses. C) The patient has a past medical history of blindness. D) Neither pupil will react when light is directed into the eyes.

Throughout history, public health activities directed at the nature, ______, and control or treatment of diseases reflected the state of knowledge at the time.

Fill in the blank(s) with the appropriate word(s).