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ATLS PRE TEST 10th Edition Question and Answers Latest 2024 A 22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. His blood pressure is initially 80/40 mm Hg. After initial fluid resuscitation, his blood pressure increases to 122/84 mm Hg. His heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. A tube thoracostomy is performed for decreased left chest breath sounds with the return of a small amount of blood and no air leak. After chest tube insertion, the most appropriate next step is:
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1-1. A 22-year-old man is hypotensive and tachycardic after a shotgun wound to the left shoulder. His blood pressure is initially 80/40 mm Hg. After initial fluid resuscitation, his blood pressure increases to 122/84 mm Hg. His heart rate is now 100 beats per minute and his respiratory rate is 28 breaths per minute. A tube thoracostomy is performed for decreased left chest breath sounds with the return of a small amount of blood and no air leak. After chest tube insertion, the most appropriate next step is: a. reexamine the chest. b. perform an aortogram. c. obtain a computed tomography (CT) scan of the chest. d. obtain arterial blood gas analyses. e. perform transesophageal echocardiography. 1-2. A construction worker falls two stories from a building and sustains bilateral calcaneal fractures. In the emergency department (ED), he is alert, his vital signs are normal, and he is complaining of severe pain in both heels and his lower back. Lower extremity pulses are strong and there is no other deformity. The suspected diagnosis is most likely to be confirmed by: a. angiography. b. compartment pressures. c. retrograde urethrogram. d. Doppler ultrasound studies. e. complete spine x-ray series. 1-3. Which of the following is true regarding the initial resuscitation of a trauma patient? a. A patient with a torso gunshot wound and hypotension should receive crystalloid fluid resuscitation until the blood pressure is normal. b. Evidence of improved perfusion after fluid resuscitation could include improvement in Glasgow Coma Scale (GCS) score on reevaluation. c. Massive transfusion is defined as transfusion of more than 10 units of packed red blood cells and plasma within 24 hours. d. When tranexamic acid is administered by prehospital providers, a second dose is required within 24 hours. e. Fluid resuscitation is far more important than bleeding control in trauma patients. 1-4. In managing a patient with a severe traumatic brain injury, the most important initial step is to: a. secure the airway. b. obtain a c-spine film. c. support the circulation. d. control scalp hemorrhage. e. determine the GCS score.
1-5. A previously healthy, 70-kg (154-pound) man suffers an estimated acute blood loss of 2 liters. Which statement applies to this patient? a. His pulse pressure will be widened. b. His urinary output will be at the lower limits of normal. c. He will have tachycardia but no change in his systolic blood pressure. d. An arterial blood gas would demonstrate a base deficit between –6 and – mEq/L. e. His systolic blood pressure will be maintained with an elevated diastolic pressure. 1-6. The physiological hypervolemia of pregnancy has clinical significance in the management of the severely injured, gravid woman by: a. reducing the need for blood transfusion. b. resulting in an elevated hematocrit. c. complicating the management of closed head injury. d. reducing the volume of crystalloid required for resuscitation. e. increasing the volume of blood loss to produce maternal hypotension. 1-7. The best assessment of fluid resuscitation of the adult burn patient is: a. urinary output of 0.5 mL/kg/hr. b. normalization of blood pressure. c. normalization of the heart rate. d. measuring a normal central venous pressure. e. providing 4 mL/kg/percent body burned/24 hours of crystalloid fluid. 1-8. The diagnosis of shock must include: a. hypoxemia. b. acidosis. c. hypotension. d. increased vascular resistance. e. evidence of inadequate organ perfusion. 1-9. A 7-year-old boy is brought to the ED by his parents several minutes after he fell through a window. He is bleeding profusely from a 6-cm wound in his medial right thigh. Immediate management of the wound should consist of: a. applying a tourniquet. b. applying direct pressure on the wound. c. packing the wound with gauze. d. applying direct pressure on the femoral artery at the groin. e. debriding devitalized tissue. 1-10. For the patient with severe traumatic brain injury, profound hypocarbia should be avoided to prevent: a. respiratory acidosis. b. metabolic acidosis. c. cerebral vasoconstriction with diminished perfusion. d. neurogenic pulmonary edema. e. shift of the oxyhemoglobin dissociation curve.
1-16. Which finding in an adult is most likely to require immediate management during the primary survey? a. Distended abdomen b. Glasgow Coma Scale score of 11 c. Temperature of 36.5°C (97.8°F) d. Deformity of the right thigh e. Respiratory rate of 40 breaths per minute 1-17. The most important, immediate step in the management of an open pneumothorax is: a. endotracheal intubation. b. operation to close the wound. c. placing a chest tube through the chest wound. d. placement of an occlusive dressing over the wound. e. initiation of two large-caliber IVs with crystalloid solution. 1-18. Which of the following is a contraindication for tetanus toxoid administration? a. History of neurological reaction or severe hypersensitivity to the product b. Local side effects c. Muscular spasms d. Pregnancy e. All of the above 1-19. A 56-year-old man is thrown violently against the steering wheel of his truck during a motor vehicle crash. On arrival in the ED, he is diaphoretic and complaining of chest pain. His blood pressure is 60/40 mm Hg and his respiratory rate is 40 breaths per minute. Which of the following best differentiates cardiac tamponade from tension pneumothorax as the cause of his hypotension? a. Tachycardia b. Pulse volume c. Breath sounds d. Pulse pressure e. Jugular venous pressure 1-20. Bronchial intubation of the right or left mainstem bronchus can easily occur during infant endotracheal intubation because: a. the trachea is relatively short. b. the distance from the lips to the larynx is relatively short. c. the use of cuffed endotracheal tubes eliminates this issue. d. the mainstem bronchi are less angulated in their relation to the trachea. e. so little friction exists between the endotracheal tube and the wall of the trachea.
1-21. A 23-year-old man sustains four stab wounds to the upper right chest during an altercation and is brought by ambulance to a hospital that has full surgical capabilities. His wounds are all above the nipple. He is endotracheally intubated, closed tube thoracostomy is performed, and fluid resuscitation is initiated through two large-caliber IVs. Focused assessment with sonography for trauma (FAST) exam does not reveal intra-abdominal injuries.His blood pressure now is 60/0 mm Hg, his heart rate is 160 beats per minute, his respiratory rate is 14 breaths per minute (ventilated with 100% O2), and 1500 mL of blood have drained from the right chest. The most appropriate next step in managing this patient is to: a. perform diagnostic peritoneal lavage. b. obtain a CT of the chest. c. perform an angiography. d. urgently transfer the patient to the operating room. e. immediately transfer the patient to a trauma center. 1-22. A 39-year-old man is admitted to the ED after an automobile collision. He is cyanotic, has insufficient respiratory effort, and has a GCS score of 6. His full beard makes it difficult to fit the oxygen face mask to his face. The most appropriate next step is to: a. perform a surgical cricothyroidotomy. b. attempt nasotracheal intubation. c. ventilate him with a bag-mask device until c-spine injury can be excluded. d. restrict cervical motion and attempt orotracheal intubation using 2 people. e. ventilate the patient with a bag-mask device until his beard can be shaved for better mask fit. 1-23. A patient is brought to the ED after a motor vehicle crash. He is conscious and there is no obvious external trauma. He arrives with a cervical collar in place and is secured to a long spine board. His blood pressure is 60/40 mm Hg and his heart rate is 70 beats per minute. His skin is warm. Which statement is TRUE? a. Vasoactive medications have no role in this patient’s management. b. The hypotension should be managed with volume resuscitation alone. c. Flexion and extension views of the c-spine should be performed early. d. Abdominal visceral injuries can be excluded as a cause of hypotension. e. Flaccidity of the lower extremities and loss of deep tendon reflexes are expected. 1-24. Which of the following is the most effective method for initially treating frostbite? a. Moist heat b. Early amputation c. Padding and elevation d. Vasodilators and heparin e. Topical application of silver sulfadiazine
1-29. Hemorrhage of 20% of the patient’s blood volume is usually associated with: a. oliguria. b. confusion. c. hypotension. d. tachycardia. e. blood transfusion requirement. 1-30. Which statement concerning intraosseous infusion is TRUE? a. Only crystalloid solutions may be safely infused through the needle. b. Aspiration of bone marrow confirms appropriate positioning of the needle. c. Intraosseous infusion is the preferred route for volume resuscitation in small children. d. Intraosseous infusion may be utilized indefinitely. e. Swelling in the soft tissues around the intraosseous site is not a reason to discontinue infusion. 1-31. A young female sustains a severe head injury as the result of a motor vehicle crash. In the ED, her GCS is 6. Her blood pressure is 140/90 mm Hg and her heart rate is 80 beats per minute. She is intubated and mechanically ventilated. Her pupils are 3 mm in size and equally reactive to light. There is no other apparent injury. The most important principle to follow in the early management of her head injury is to: a. avoid hypotension. b. administer an osmotic diuretic. c. aggressively treat systemic hypertension. d. reduce metabolic requirements of the brain. e. distinguish between intracranial hematoma and cerebral edema. 1-32. A 33-year-old female is involved in a head-on motor vehicle crash. It took 30 minutes to extricate her from the car. Upon arrival in the ED, her heart rate is 120 beats per minute, BP is 90/70 mm Hg, respiratory rate is 16 breaths per minute, and her GCS score is 15. Examination reveals bilaterally equal breath sounds, anterior chest wall ecchymosis, and distended neck veins. Her abdomen is flat, soft, and not tender. Her pelvis is stable. Palpable distal pulses are found in all four extremities. Of the following, the most likely diagnosis is: a. hemorrhagic shock. b. cardiac tamponade. c. massive hemothorax. d. tension pneumothorax. e. diaphragmatic rupture. 1-33. A hemodynamically normal 10-year-old girl is hospitalized for observation after a Grade III (moderately severe) splenic injury has been confirmed by CT. Which of the following mandates prompt celiotomy (laparotomy)? a. Serum amylase of 200 b. Leukocyte count of 14, c. Evidence of retroperitoneal hematoma on CT scan d. Development of peritonitis on physical exam e. Fall in the hemoglobin level from 12 g/dL to 8 g/dL over 24 hours
1-34. A 40-year-old female who was a restrained driver in a motor vehicle crash is evaluated in the ED. She is hemodynamically normal and found to be paraplegic at the level of T10. Which of the following are true regarding her evaluation and management? a. Neurogenic shock is likely to develop. b. Imaging of her complete spine is required before transfer to a trauma center. c. Given the injury level, knee extension would be expected. d. Logrolling using four people is a safe approach to restrict spinal motion when moving her. e. Presence of bulbocavernous reflex indicates a better prognosis. 1-35. A trauma patient presents to your ED with inspiratory stridor and a suspected c-spine injury. Oxygen saturation is 88% on high-flow oxygen via a non-rebreathing mask. The most appropriate next step is to: a. apply cervical traction. b. perform immediate tracheostomy. c. insert bilateral thoracostomy tubes. d. maintain 100% oxygen and obtain immediate c-spine x-rays. e. restrict cervical motion and establish a definitive airway. 1-36. When applying the Rule of Nines to infants: a. it is not reliable. b. the body is proportionally larger in infants than in adults. c. the head is proportionally larger in infants than in adults. d. the legs are proportionally larger in infants than in adults. e. the arms are proportionally larger in infants than in adults. 1-37. A healthy young male is brought to the ED following a motor vehicle crash. His vital signs are blood pressure of 84/60 mm Hg, heart rate of 123 beats per minute, GCS 10. The patient moans when his pelvis is palpated. After initiating fluid resuscitation, the next step in management is: a. placement of a pelvic binder. b. transfer to a trauma center. c. a pelvic x-ray. d. to insert a urinary catheter. e. repeat the examination of the pelvis. 1-38. Which situation requires Rh immunoglobulin administration to an injured female? a. Negative pregnancy test, Rh negative, and has torso trauma b. Positive pregnancy test, Rh positive, and has torso trauma c. Positive pregnancy test, Rh negative, and has torso trauma d. Positive pregnancy test, Rh positive, and has an isolated wrist fracture e. Positive pregnancy test, Rh negative, and has an isolated wrist fracture