Which item on the diagram of the cycle of infection is the method by which a pathogen spreads to another host?

What is the best option for the patient in respiratory failure who continues to deteriorate 30 min after the initiation of noninvasive ventilation?

a. Wait another 30 min and monitor the pa-tient. b. Begin continuous positive airway pressure. c. Intubate and begin mechanical ventilation. d. Ventilate the patient using a bag-valve-mask.

During two-rescuer CPR, the compression to ventilation ratio for children is

5 to 10 1 to 5 15 to 1 15 to 2