How long was John Lewis's office visit scheduled for?

What device is used to perform mouth-to-mask ventilation?

A) Stoma B) Automatic transport ventilator C) Bag-valve mask D) Pocket face mask

You suspect that a patient with an open pneumothorax may be developing a tension pneumothorax. What action is critical given this situation?

A) Remove the occlusive dressing. B) Lift one side of the dressing during expiration. C) Gently apply pressure to the chest during inspiration. D) Ensure that all four sides of the dressing are taped.