What does accessory muscle use suggest?

In order to evaluate hazards present at the scene and determine the number of patients, you should:

A. request the fire department at all scenes. B. perform a 360° walk-around of the scene. C. use the information provided by dispatch. D. interview bystanders present at the scene.

Hypotension during anaphylactic shock is caused primarily by:

A) vascular damage. B) relative hypovolemia. C) cardiac muscle injury. D) capillary leakage.