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

Which of the following describes alloadsorption?

a. Removal of antibody from plasma by incubation with donor or reagent red blood cells with specific phenotypes b. Removal of autoantibody from plasma by incubation with the patient's own red blood cells c. Removal of antibody bound to red blood cells by incubation with chloroquine d. Removal of autoantibody bound to red blood cells by incubation with glycine

When ventilating a pediatric patient with a bag-mask device, the EMT should:

A. block the pop-off valve if needed to achieve adequate chest rise. B. squeeze the bag 40 times/min when ventilating an infant. C. ensure that he or she uses a neonatal device for children younger than 12 months. D. ventilate the child with sharp, quick breaths at the appropriate rate.