During an allergic response the effect of histamine on the beta 2 receptors in the lungs will result in _________________

What are the two main families of parasitic ticks?

A)large ticks and small ticks B)white ticks and black ticks C)hard ticks and soft ticks D)smooth ticks and hairy ticks

Which of the following most often results when heart function declines and fluid fills spaces of the lungs? 

A. Pulmonary edema B. Pulmonary embolism C. TB D. Pneumothorax E. RDS