Why is a measure of serum lactate obtained in the initial assessment of the trauma patient? Answer: c a) to measure oxygenation and ventilation b) to quantify the base deficit for the adequacy of cellular perfusion c) to gauge end-organ perfusion and tissue hypoxia * d) to determine the underlying cause of shock A trauma patient is restless and repeatedly asking "where am I?" vital signs upon arrival were BP 100/60 mm Hg, HR 96 beats/min, and RR 24 breaths/min. Her skin is cool and dry. Current vital signs are BP 104/84mm Hg, HR 108, RR 28 breaths/min. The patient is demonstrating signs and symptoms of which stage of shock? Answer: A A) compensated ** B) Progressive C) irreversible D) decompensated An elderly patient with a history of anticoagulant use presents after a fall at home that day. she denies any loss of consciousness. She has a hematoma to her forehead and complains of headache, dizziness, and nausea. Which is a most likely cause of her symptoms? TNCC final exam test 2022 open book Graded A. 2 Answer: D A) epidural hematoma B) diffuse axonal injury C) post-concussive syndrome D) subdural hematoma *** EMS brings a patient who fell riding his bicycle. Using the American College of Surgeons screening guidelines, which assessment finding would prompt the nurse to prepare the patient for radiologic spine clearance? Answer: D A) Alert with no neurologic deficits B) Multiple abrasions to the extremities C) Multiple requests of water D) Smell of alcohol on breath *** Which of the following occurs during the third impact of a motor vehicle crash? TNCC final exam test 2022 open book Graded A. 3 Answer: C A) The driver of the vehicle collides with the steering wheel B) the vehicle collides with a tree C) the aorta is torn at its attachment with the ligamentum arteriosum D) the airbag deploys and strikes the frontseat passenger *** A passenger is brought to the emergency department of a rural hospital following a high-speed MVC. When significant abdominal and pelvic injuries are noted in the primary survey, which of the following is the priority interventions? Answer: A A) initiate transfer to a trauma center ** B) provide report to the operating room nurse C) Obtained imaging studies D) Place a gastric tube Which of the following injuries is LEAST likely to be promptly identified? Answer: C A) spleen B) lung C) bowel *** D) brain Patients with a crush injury should be monitored for which of the following conditions? Answer: C A) Hypernatremia B) Hypercalcemia C) Dysrhthmias ** D) polyuria What finding raises suspicion of complete spinal cord injury?