Which drug is administered intravenously to treat life-threatening cardiac ventricular arrhythmias?

A 15-year-old girl was struck in the mouth with a baseball bat. She has lost her front teeth and is spitting blood. The AEMT's priority concern when caring for this patient would be:

A) seizure activity. B) jaw fracture. C) blood loss. D) airway compromise.

At what gestational age do lung buds first appear?

a. 16th week c. 21st week b. 24th day d. 28th day