Which cell line matures and differentiates upon exposure to antigen?

Which of the following is NOT an example of rebundling?

a. Fragmenting one service into component parts and coding each component part as if it were a separate service b. Reporting separate codes for related services when one comprehensive code includes all related services c. Breaking out bilateral procedures when one code is appropriate d. Upcoding a service in order to use an additional code when one higher level, more comprehensive code is appropriate

A patient has been involved in a motorcycle crash and has a flail segment to the right lateral chest. His airway is open and he is breathing poorly at 24 breaths per minute with a decreasing SpO2. The EMT shows that he is appropriately caring for this injury when he:

A) administers oxygen through a nonrebreather face mask. B) positions the patient in a semi-Fowler's position for transport. C) places an ice pack over the site of injury. D) starts positive pressure ventilation.