A 42-year-old man has fallen 25 feet while rock climbing. He hit the ground feet first and suffered open fractures to both tibias, which are protruding through the skin. When you arrive, he is responding to painful stimuli. His airway is open, his breathing is adequate, and his radial pulse is strong and rapid. At this point in his care, it is a priority for you to:

You are treating a patient who was dizzy and fell, sustaining a laceration to the forehead. He does not appear to be having a hypertensive crisis. Aside from determining he cause of the dizziness, how should you deal with the bleeding?

A. Pack the wound with gauze. B. Direct pressure and a bandage. C. Use a pressure point. D. Apply an occlusive dressing.

A layer of the extraembryonic membrane that develops blood vessels within finger-like projections is called the:

A) endometrium. B) villi. C) chorion. D) placenta.