In what three ways are the T-piece resuscitator and the flow-inflating bag similar?
a) Both provide CPAP, allow for FiO2 adjustment, and are hand-operated devices
b) Both provide PPV, allow for PEEP adjustment, and require compressed gas for operation
c) Both provide PEEP, allow for inspiratory pressure adjustment, and require a pressure gauge for monitoring
d) Both provide CPAP, allow for PEEP adjustment, and are compatible with mechanical ventilators