Elevation affects the condition of the fuel and the amount of fuel available

After assessing the following patients, which would the AEMT identify as suffering from multisystems trauma?

A) 31-year-old woman; large laceration to her leg from a hunting knife; bleeding controlled B) 61-year-old man; became dizzy and fell down five stairs; laceration to the head; open fracture to the left lower leg C) 89-year-old woman fell in a nursing home; hematoma to the back of her head D) 24-year-old man; slipped on ice; tenderness to the right shoulder

Which of the following may indicate a decrease in systemic vascular blood flow during high-frequency ventilation?

1. High central venous pressure (CVP) 2. Low CVP 3. Decreased mean arterial pressure (MAP) 4. Increased MAP a. 1 and 3 only b. 2 and 3 only c. 1 and 4 only d. 1, 2, 3, and 4