Of the choices below, the material that will have the greatest sound propagation speed is

When checking for proper tube placement in a patient who has just been intubated, you note that breath sounds are heard in the epigastrium but not in either lung. In this situation, which one of the following represents the greatest threat to the patient's life?

A) Trauma to the airway B) Hypoxia C) Bleeding D) Aspiration

Which of the following is used to describe hose size?

A. Width B. Length C. Pressure D. Diameter