EMT PHTLS PRE TEST

You arrive at the scene of a motor vehicle collision in which a vehicle struck a tree. What is the best indicator of potential injury? - Answer- Speed of the vehicle The potential for death or serious injury is greatest in which of the following motor vehicle collisions? - Answer- Ejection from vehicle Bilateral femur fractures are most associated with which type motorcycle crash? - Answer- Head on impact Which of the preferred fluid for resuscitation of hemorrhagic shock in the prehospital setting? - Answer- Lactated Ringer's Which is the most common cause of the upper airway obstruction? - Answer- The tongue Which is the preferred adjunct device for verifying placement of the endotracheal tube in a patient with a perfusing rhythm? - Answer- End tidal CO2 monitoring (Capnography) Which is the most important reason to maintain an open airway in the trauma patient? - Answer- Prevents hypoxemia and hypercarbia Essential airway skills include manual clearing of the airway, manual maneuvers, suctioning, and which of the following - Answer- Oropharyngeal airway Your patient is a middle aged male who crashed his motorcycle. He is unresponsive. After opening the airway using a modified jaw thrust you note the patient has respirations at a rate of 6. Auscultation reveals breath sounds are absent on the left side. Which of the following is the most appropriate next interventions? - Answer- Begin ventilation with a BVM Which best describes shock? - Answer- Generalized inadequate tissue perfusion Your patient has a deep laceration to his antecubital fossa with significant bleeding what is the most appropriate initial action? - Answer- Apply direct pressure Hypotension of an unknown etiology in a trauma patient should be assumed to result from which of the following? - Answer- Blood loss Which assessment is most beneficial in differentiating hemorrhagic shock from neurogenic shock in the prehospital setting? - Answer- Skin The body initially compensates for blood loss through activation of which of the following? - Answer- Systematic nervous system