You have been asked to accompany the EMTs to the hospital so that you can ventilate the 70-year-old patient by bag-valve mask en route to the hospital. For this patient, you should provide one breath every _____ seconds

You are called for a young man who was diving head first off a dock into a lake. Bystanders say he struck his head on the bottom because the water was too shallow. They said he was not breathing when they pulled him from the water and they have been performing rescue breathing for him. He is awake, but he is unable to breathe on his own. What type of damage or injury does this indicate?

A) Closed head injury B) Damage to C-3, C-4, or C5 C) Damage to his thoracic spine D) Open head injury

As you are treating a patient with blunt trauma to the chest, oxygen saturation begins falling and the patient experiences hemoptysis. Lung sounds are clear and equal bilaterally, but diminished due to painful breathing. You suspect:

A) simple pneumothorax. B) cardiac tamponade. C) tension pneumothorax. D) pulmonary contusion.