When gathering credible evidence about program objectives, what term describes the use of multiple sources of data for the same indicator??

An Emergency Medical Responder asks you to explain a pneumothorax. You would explain that a pneumothorax occurs when:

A) the lung becomes overinflated with air and collapses. B) air accumulates around the lung, causing a portion of it to collapse. C) the trachea becomes obstructed, causing the lungs to collapse. D) air enters the lung and alveoli from a traumatic opening in the chest wall.

Recent evidence suggests that the pathophysiology of most cases of acquired aplastic anemia is most likely:

a. Drug exposure b. Viral infections c. Defective stem cells d. Immunologic suppression of hematopoiesis