1. Transmission from patient to paramedic of which of the following diseases can be reasonably prevented if the paramedic wears a surgical mask?

2. Rabies is transmitted when an infected animal bites a person and saliva gets in the broken skin. This is an example of which of the following forms of communicable disease transmisssion?

3. A 58-year-old female patient is complaining of a recent history of frequent episodes of watery, green diarrhea. She has been on levofloxacin for several weeks for a recurrent upper respiratory infection and denies being out of the country in the past year. She further denies any significant past medical history or other medications. Which of the following is most likely the cause of her diarrhea?

4. The patient from the previous question has the following vital signs: HR: 124; BP: 88/60; RR: 26; EtCO₂: 28; Temp: 102.8°F. Which of the following is the most appropriate treatment?