What type of burn occurs when the patient comes into contact with fire of flames?

A 1 g cefazolin vial is labeled, "Reconstitute with 4.3 mL of sterile water for a final volume of 5 mL." What is the powder volume in the vial?

A) 0.7 mL B) 4.5 mL C) 3.3 mL D) 9.3 mL

Which of the following terms or expressions refers to the presence of air that has dissected into the retroperitoneum?

A. pneumothorax. B. pneumoperitoneum C. pulmonary interstitial emphysema D. tension pneumothorax