Which immunoglobulin binds to antigens on food? 

The MOST obvious sign of the potential chemical weapon deployment is:

A) high incidence of illness over a period of days in the same geographical area. B) rapidly spreading symptoms among a group of people. C) large explosions involving urban sites. D) large amount of burned victims.

You are having a hard time getting the medical history of a patient who is short of breath. Which one of the following pieces of information would lead you to believe that the patient has a history of a chronic lung disease such as chronic emphysema?

a. She takes one aspirin every day. b. Her chest is barrel shaped. c. Her respirations are tachypneic. d. She has a frequent cough.