You arrive on the scene to find a 16-year-old girl with difficulty breathing. She has a history of asthma. She has an inhaler, but it is empty. Which of the following breath sounds would you expect to hear?

The sound of gurgling usually indicates:

A) constricted bronchioles. B) fluid in the upper airway. C) foreign body airway obstruction. D) fluid in the lower airway.

Na+, Cl–, HCO3–, and K+ are usually referred to as:

A) electrolytes B) blood gases C) hormones D) coagulation factors