In what year was the first test used to screen blood donors for HIV licensed?

Which of the following statements is TRUE regarding paradoxical chest movement?

a. With inspiration, the flail section moves outward. b. The trachea deviates away from the flail side of the chest. c. During inspiration, the flail section moves inward. d. During exhalation, the flail area moves inward.

For the following questions, use an ICD-9-CM code book to select the appropriate code(s) for the diagnostic statements given

Four-year-old child with hemolytic anemia, congenital