Using the list, identify number 3 on the figure: _______________.

When assisting with a helicopter landing at night, you should:

A) leave your headlights on to signify your location. B) avoid shining a spotlight up at the descending aircraft. C) place a single strobe light in the center of the landing zone. D) refrain from parking the ambulance under overhead wires.

A patient who demonstrates chronic gastrointestinal bleeding is diagnosed with anemia. What is the primary cause of the patient's anemia?

a. Vitamin B12 deficiency b. Iron deficiency c. Folate deficiency d. Bone marrow failure