(1 of 2)A conscious and alert adult presents with severe pain and moderate respiratory distress following blunt chest trauma. On exam, a segment of the left chest is moving in the opposite direction to the rest of the rib cage. Breath sounds are present and equal bilaterally; SpO2 84% on RA; EtCO2 50; radial pulse strong and rapid; neck veins are flat. Which of these is most likely?

Electrical currents travelling through the body will meet the highest resistance and generate the most potential for heat damage when it meets which structure?

Considering physiological changes that occur with aging, which of these are most likely to occur in an elderly pt. who experienced blunt thoracic trauma? 

(2 of 2) Determine the findings that would suggest neurogenic shock following a cervical spinal cord injury. Skin signs below the level of injury: [BLANK-1]

A patient is found unconscious on the floor following an electrical burn. EMS should be concerned for which of these?

An adult submerged their entire left leg and genitalia into a hot liquid medium which resulted in burns. Using the Rule of 9s, what percentage of the total body surface area (TBSA) has been burned?

(4 of 4)EMS responds to an adult that fell from a horse galloping at a high rate of speed. The pt. presents with paralysis of all four extremities and contrasting skin temperatures on the body. The pt’s head is tilted to the left and cannot be moved back to midline without pain. The airway is patent. VS: BP 80/50; P 40; R 14; SpO2 98%; EtCO2 42 with square waveform; GCS 15. IMC with vascular access is complete.The VS continue to decline after the previous drug’s max dose was reached. What action is indicated next?

Which of these meets Burn Center referral criteria?

(1 of 7)En RouteEMS is dispatched at 0330 to a highway site following a 10-vehicle crash. Multiple patients are present. Weather is 14° F, skies are dark, traffic is light and roads are icy. Which of these are the most important priorities? Select 2 options

(10 of 15)SceneEMS is dispatched at 0100 to a forest preserve for an ATV crash. Response time is 10-15 minutes. You are traveling on poorly lit paved road that leads to a clear opening to the trail. It is a cool fall evening; weather is 40°F. Skies are clear, roads are dry, traffic light. Ambulance is staffed with 2 paramedics and a BLS engine. Your nearest community hospital is 12 minutes ETA by ground and a level 1 trauma center is 25 minutes by ground.Dispatch informs you that a park ranger has arrived on scene. It is confirmed that one patient was injured after being ejected from the ATV. There is a large group of college aged students present and there is evidence of alcohol consumption at the scene. The paved road leading to the opening of the trail is clear and unobstructed. The trail leading to the patient is on rocky and uneven ground.You and your crew are led to the location of the patient with the help of the park ranger. The ATV is several feet away from the patient in the brush and is still running. Pt. presents to be in a lot of pain from an isolated long bone fracture to the right extremity.Patient is a 20-year-old, alert and oriented 4/4. Physical exam finds an angulated deformity to the right humerus, pt. rates it a 10/10 and is in extreme agony. Patient also states “feels like I’m going to vomit.” Pt. states they consumed “1-2 beers” tonight. There are no signs of trauma to the head, or face. The pt. denies numbness, tingling or pain to the back.After removing the patient’s jacket, the right arm presents with a 45° deformity. You see bone protruding through the arm (midshaft of the humerus) with profuse venous bleeding. Pulses are absent distal to the injury. Which of these is the highest concern for paramedics?