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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: Select one: a. reexamine the chest b. perform an aortogram c. obtain a CT scan of the chest d. obtain arterial blood gas analyses e. perform transesophageal echocardiography - A) Reexamine the chest A construction worker falls two stories from a building and sustains bilateral calcaneal fractures. In the emergency department, he is alert, 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: Select one: a. angiography b. compartment pressures c. retrograde urethrogram d. Doppler ultrasound studies

e. complete spine x-ray series - e) Complete spine x-ray series Which of the following is true regarding the initial resuscitation of a trauma patient? Select one: a. A patient that presents with a torso gunshot wound and is hypotensive 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 score on reevaluation c. Massive transfusion is defined as transfusion of more than >10 of packed red blood cells and plasma in 24 hours d. When tranexamic acid is administered by pre-hospital providers a second dose is required within 24 hours e. Fluid resuscitation is far more important than bleeding control in trauma patients - b. Evidence of improved perfusion after fluid resuscitation could include improvement in Glasgow coma scale score on reevaluation In managing a patient with a severe traumatic brain injury, the most important initial step is to: Select one: a. Secure the airway b. obtain a c-spine film c. support the circulation d. control scalp hemorrhage e.

determine the GCS score Feedback Your answer is corr - a. Secure the airway A previously healthy, 70-kg (154-pound) man suffers an estimated acute blood loss of 2 liters. Which one of the following statements applies to this patient? Select one: 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 ABG would demonstrate a base deficit between -6 and -10 mEq/L e. His systolic blood pressure will be maintained with an elevated diastolic pressure. - d. An ABG would demonstrate a base deficit between -6 and -10 mEq/L The physiologic hypervolemia of pregnancy has clinical significance in the management of the severely injured, gravid woman by: Select one: 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 - e. increasing the volume of blood loss to produce maternal hypotension

The best assessment of fluid resuscitation of the adult burn patient is: Select one: a. Urine output of 0. 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 burn/24 hours of crystalloid fluid - a. Urine output of 0.5 mL/kg/hr The diagnosis of shock must include: Select one: a. hypoxemia b. acidosis c. hypotension d. increased vascular resistance e. evidence of inadequate organ perfusion - e. evidence of inadequate organ perfusion A 7-year-old boy is brought to the emergency department by his parents several minutes after he fell through a window. He is bleeding profusely from a 6-cm wound of his medial right thigh. Immediate management of the wound should consist of: Select one: a. application of a tourniquet

b. direct pressure on the wound c. packing the wound with gauze d. direct pressure on the femoral artery at the groin e. debridement of devitalized tissue - b. direct pressure on the wound For the patient with severe traumatic brain injury, profound hypocarbia should be avoided to prevent: Select one: a. respiratory acidosis b. metabolic acidosis c. cerebral vasoconstriction with diminished perfusion d. neurogenic pulmonary edema e. shift of the oxyhemoglobin dissociation curve - c. cerebral vasoconstriction with diminished perfusion After being involved in a motor vehicle crash, a 25-year-old man is brought to a hospital that has surgery capabilities available.. Computed tomography of the chest and abdomen shows an aortic injury and splenic laceration with free abdominal fluid. His blood pressure falls to 70 mm Hg after CT. The next step is: Select one: a. obtain contrast angiography b. transfer to a higher level trauma center c. perform an exploratory laparotomy

d. infuse additional crystalloid fluids e. Obtain transesophageal echocardiography - c. perform an exploratory laparotomy Which one of the following statements regarding abdominal trauma in the pregnant patient is TRUE? Select one: a. The fetus is in jeopardy only with major maternal abdominal trauma. b. Leakage of amniotic fluid is an indication for hospital admission. c. Indications for peritoneal lavage are different from those in the nonpregnant patient. d. With penetrating trauma, injury to the mother's abdominal hollow viscus is more common in late than in early pregnancy. e. The secondary survey follows a different pattern from that of the nonpregnant patient. - b. Leakage of amniotic fluid is an indication for hospital admission. The first maneuver to improve oxygenation after chest injury is to: Select one: a. intubate the patient b. assess arterial blood gases c. administer supplemental oxygen d. ascertain the need for a chest tube e. obtain a chest x-ray - c.

administer supplemental oxygen A 25-year-old man, injured in a motor vehicular crash, is admitted to the emergency department. His pupils react sluggishly and his eyes open to pressure. He does not follow commands, but he does moan periodically. His right arm is deformed and does not respond to pressure; however, his left hand reaches purposefully toward the stimulus. Both legs are stiffly extended. His GCS score is: Select one: a: 2 b: 4 c: 6 d: 9 e: 12 - d: 9 Which one of the following findings in an adult is most likely to require immediate management during the primary survey? Select one: 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 - e. respiratory rate of 40 breaths per minute A 20-year-old woman that is 32 weeks gestation , is stabbed in the upper right chest. In the emergency department, her blood pressure is 80/60 mm Hg. She is gasping for breath, extremely anxious, and yelling for help. Breath sounds are diminished in the right chest. The most appropriate first step is to: Select one: a. perform tracheal intubation

b. insert an oropharyngeal airway c. perform needle or finger decompression of the right chest d. manually displace the gravid uterus to the left side of the abdomen e. initiate 2, large-caliber peripheral IV lines and crystalloid infusion - c. perform needle or finger decompression of the right chest An important, immediate step in the management of an open pneumothorax is: Select one: 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 secured on three sides e. initiation of 2, large-caliber IVs and infusing crystalloid solution - d. placement of an occlusive dressing over the wound secured on three sides Which of the following is a contraindication for tetanus toxoid administration? Select one: 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 - a.

history of neurological reaction or severe hypersensitivity to the product A 56-year-old man is thrown violently against the steering wheel of his truck during a motor vehicle crash. On arrival to the emergency department 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? Select one: a. tachycardia b. pulse volume c. breath sounds d. pulse pressure e. jugular venous pressure - c. breath sounds Bronchial intubation of the right or left mainstem bronchus can easily occur during infant endotracheal intubation because: Select one: 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. - a. The trachea is relatively short.

A 23-year-old man sustains 4 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, fluid resuscitation is initiated through 2 large-caliber IVs. FAST exam does not reveal intraabdominal injuries. His blood pressure now is 60/0 mm Hg, heart rate is 160 beats per minute, and respiratory rate is 14 breaths per minute (ventilated with 100% O2). 1500 mL of blood has drained from the right chest. The most appropriate next step in managing this patient is to Select one: 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 - d. urgently transfer the patient to the operating room A 39-year-old man is admitted to the emergency department 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 facemask to his face. The most appropriate next step is to Select one: 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 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 - d. restrict cervical motion and attempt orotracheal intubation using 2 people A patient is brought to the emergency department after a motor vehicle crash. He is conscious and there is no obvious external trauma. His blood pressure is 60/ mm Hg and his heart rate is 70 beats per minute. His skin is warm. Which one of the following statements is TRUE? Select one: 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. - e. Flaccidity of the lower extremities and loss of deep tendon reflexes are expected Which one of the following is the most effective method for initially treating frostbite?

Select one: a. moist heat b. early amputation c. padding and elevation d. vasodilators and heparin e. topical application of silver sulfadiazine - a. moist heat A 32-year-old man's right leg is trapped beneath his overturned car for nearly 2 hours before he is extricated. On arrival to the emergency department, his right lower extremity is cool, mottled, insensate, and motionless. Despite normal vital signs, a pulse cannot be palpated below the right femoral artery and the muscles of the lower extremity are firm and hard. During the management of this patient, which of the following is most likely to improve the chances for limb salvage? Select one: a. applying skeletal traction b. administering anticoagulant drugs c. administering thrombolytic therapy d. surgical consultation for right lower extremity fasciotomy e. transferring the patient to the trauma center 120 km away - d. surgical consultation for right lower extremity fasciotomy A patient arrives in the emergency department after being beaten about the head and face with a wooden club. He is comatose and has a palpable depressed skull fracture. His face is swollen and ecchymotic. He has gurgling respirations and

vomitus on his face and clothing. The most appropriate step after providing supplemental oxygen and elevating his jaw is to: Select one: a. request a CT scan b. insert a gastric tube c. suction the oropharynx d. obtain a lateral cervical spine x-ray e. ventilate the patient with a bag-mask - c. suction the oropharynx A 22-year-old man sustains a gunshot wound to the left chest and is transported to a small community hospital; no surgical capabilities are available. In the emergency department, a chest tube is inserted and 700 mL of blood is evacuated. The trauma center accepts the patient in transfer. Just before the patient is placed in the ambulance for transfer, his blood pressure decreases to 80/68 mm Hg and his heart rate increases to 136 beats per minute. The next step should be to: Select one: a. clamp the chest tube b. cancel the patient's transfer c. perform an emergency department thoracotomy d. repeat the primary survey and proceed with transfer e. delay the transfer until the referring doctor can contact a thoracic surgeon - d. repeat the primary survey and proceed with transfer A 64-year-old man involved in a high-speed car crash, is resuscitated initially in a small hospital without surgical capabilities. He has a closed head injury with a

GCS score of 13. He has a widened mediastinum on chest x-ray with fractures of left ribs 2 through 4, but no pneumothorax. After initiating fluid resuscitation, his blood pressure is 110/74 mm Hg, heart rate is 100 beats per minute, and respiratory rate is 18 breaths per minute. He has gross hematuria and a pelvic fracture. You decide to transfer this patient to a facility capable of providing a higher level of care. The facility is 128 km (80 miles) away. Before transfer, you should first: Select one: a. intubate the patient b. perform diagnostic peritoneal lavage or FAST c. insert a left chest tube d. call the receiving hospital and speak to the surgeon on call e. discuss the advisability of transfer with the patient's family - d. call the receiving hospital and speak to the surgeon on call Hemorrhage of 20% of the patient's blood volume is associated usually with: Select one: a. oliguria b. confusion c. hypotension d. tachycardia e. blood transfusion requirement - d. tachycardia Which one of the following statements concerning intraosseous infusion is TRUE? Select one: 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. - b. Aspiration of bone marrow confirms appropriate positioning of the needle. A young female sustains a severe head injury as the result of a motor vehicle crash. In the emergency department, her GCS is 6, 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: Select one: 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 - a. avoid hypotension 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 emergency department, 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 4 extremities. Of the following, the most likely diagnosis is: Select one: a. hemorrhagic shock b. cardiac tamponade c. massive hemothorax d. tension pneumothorax e. diaphragmatic rupture - b. cardiac tamponade A hemodynamically normal 10-year-old girl is hospitalized for observation after a Grade III (moderately severe) splenic injury has been confirmed by computed tomography (CT). Which of the following mandates prompt celiotomy (laparotomy)? Select one: a. a serum amylase of 200 b. a leukocyte count of 14,000 c. evidence of retroperitoneal hematoma on CT scan d. development of peritonitis on physical exam e. a fall in the hemoglobin level from 12 g/dL to 8 g/dL over 24 hours - d. development of peritonitis on physical exam A 40-year-old woman who was a restrained driver in a motor vehicle crash is evaluated in the emergency department. 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? Select one: a. Neurogenic shock is likely to develop b. Imaging of her complete spine is required prior to transfer to a trauma center c. Given the injury level knee extension would be expected d. log rolling using 4 people is a safe approach to limit spinal motion when moving her e. Presence of bulbocarvenous reflex indicates a better prognosis - d. log rolling using 4 people is a safe approach to limit spinal motion when moving her A trauma patient presents to your emergency department with inspiratory stridor and a suspected c- spine injury. Oxygen saturation is 88% on high-flow oxygen via a nonrebreathing mask. The most appropriate next step is to: Select one: 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 - e. restrict cervical motion and establish a definitive airway When applying the Rule of Nines to infants: Select one: 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. - c. The head is proportionally larger in infants than in adults. A healthy young male is brought to the emergency department following a motor vehicle crash. His vital signs are a blood pressure of 84/60, pulse 123, GCS 10. The patient moans when his pelvis is palpated. After initiating fluid resuscitation, the next step in management is: Select one: a. placement of a pelvic binder b. transfer to a trauma center c. pelvic x-ray d. insert urinary catheter e. repeat examination of pelvis - a. placement of a pelvic binder Which situation requires Rh immunoglobulin administration to an injured female? Select one: 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 - c. positive pregnancy test, Rh negative, and has torso trauma A 22-year-old female athlete is stabbed in her left chest at the third interspace in the anterior axillary line. On admission to the ED and 15 minutes after the incident, she is awake and alert. Her heart rate is 100 beats per minute, blood pressure is 80/60 mm Hg, and respiratory rate is 20 breaths per minute. A chest x- ray reveals a large left hemothorax. A left chest tube is placed with an immediate return of 1600 mL of blood. The next management step for this patient is to: Select one: a. perform a thoracoscopy b. perform an arch aortogram c. insert a second left chest tube d. prepare for an exploratory thoracotomy e. perform a chest CT - d. prepare for an exploratory thoracotomy A 6-year-old boy walking across the street is struck by the front bumper of a sports utility vehicle traveling at 32 kph (20 mph). Which one of the following statements is TRUE about this patient? Select one: a. A flail chest is probable. b. A symptomatic blunt cardiac injury is expected. c. A pulmonary contusion may be present in the absence of rib fractures. d.

Transection of the thoracic aorta is more likely than in an adult patient. e. Rib fractures are commonly found in children with this mechanism of injury. - c. A pulmonary contusion may be present in the absence of rib fractures A 23-year-old man is brought immediately to the ED from the hospitals parking lot where he was shot in the lower abdomen. Examination reveals a single bullet wound. He is breathing and has a thready pulse. However, he is unconsious and has no detectable blood pressure. Optimale immediate management is to: A. Perform a FAST B. Initiate infusion of packed red blood cells C. Insert a nasogastric tube and urinary catheter D. Transfer the patient to the operating room, while initiating fluid therapy E. Initiate fluid therapy to return his blood pressure to normotensive - D. Transfer the patient to the operating room, while initiating fluid therapy A 22 year old male present following a motorcycle crash. He complains of the inability to move his legs. His BP is 80/50, HR 70, RR 18 and GCS 15. Oxygen saturation is 99% on 21 nasal prongs. Chest x-ray, pelvic x-ray and FAST are normal. Extremities are normal. His management should be: A: 1L of iv. crystalloid and two units of pRBCs B. 1L of iv. crystalloid, mannitol and iv steroids C. 1 unit of albumin and compression stockings D. Vasopressors and laparotomy E. 1 L of cystalloid and vasopressors if blood pressure does not respond - E. 1 L of cystalloid and vasopressors if blood pressure does not respond Which of the following is MOST RELIABLE to confirm endotracheal intubation? a. presence of breath sounds bilaterally b. absence of borborygmi in the epigatrium on ascultation c. presence of CO2 in exhaled air via capnography d. appearance of fog in the endotracheal tube e. chest xray with endotracheal tube tip appearing above the carina - e. chest xray with endotracheal tube tip appearing above the carina

A 6 month old infant, being held in her mothers arms, is ejected on impact from a vehicle that is struck head on by an oncoming car traveling at 64kph. The infant arrives in the ED with multiple facial injuries, is lethargic, and is in severe respiratoy distress. Respiratory support is not effective using a bag mask device, and her oxygen saturation is falling. Repeated attempts at orotracheal intubation are unsuccessful. the most appropriate procedure to perform next is: A.Administer heliox and racemic epinephrine B. Perform nasotracheal intubation C.Perform surgical cricothyroidotomy D.Repeat orotracheal intubation E. Perform needle cricothyroidotomy with jet insufflation - E. Perform needle cricothyroidotomy with jet insufflation A 28 year olf male is brought to the ED. He was involved in a fight, during which he was beaten with a wooden stick. His chest shows multiple severe bruises. His arway is clear, resp rate is 22, hear rate 126, and systolic blood pressure is 90 mmHG. Which of the following should be performed during the primary survey a. glasgow coma b. tetanus status c. cervical spine xray d. blood alcohol level e. rectal exam - a. glasgow coma an 18yo male is brought to the emergency department after being dumped by a large wave while surfing. He landed head first on the firm beach sand. His vital signs are blood pressure 85/60 mmHg, heart rate 60, and respiratory rate 18; he is unable to move his lower extremities. He appears calm and asks if he will ever walk again. The most appropriate next step is to: a. reassure patient that he will walk again b. proceed to a more detailed neuro exam c. obtain c spin xrays d. begin infusion of vasopressors e. begin bolus of warm IV crystalloid - e. begin bolus of warm IV crystalloid Whic one of the following statements is true regarding access in pediatric resuscitation?

a. intraosseous access should be considered only after 5 percutaneous attempts b. cutdown at teh ankle is the preferred initial access technique c. internal jugular cannulation is the next preferred option when percutaneous venous access fails d. intraosseous cannulation should be the first choice e. blood transfusion can be delivered through intraosseous access - e. blood transfusion can be delivered through intraosseous access a 35 year old female ustains multiple linjuries in a MVA and is transported to a small hospital. She has a GCS of V2E2M2. Spinal motion restrictions are in place. ET is performed, IV and wamred fluids are administered. She remains hemodynamically normal, and preparations are made to transfer to another facility for definitive neuro care. Which of the following tests or treatment should occur before transport? a. ct abdomen and chest b. chest xray c. lateral cervical spine xray d. admin of methlyprednisolone e. transfusion of 2 units packed RBCs - b. chest xray A 22 year old male sustains a shotgun wound to the left shoulder and chest at close range. His BP is 80/40mmHg and his HR is 130bpm. Fluid resusciation is initiated, his BP increases to 122/84, and HR decreases to 100bpm. He is tachypneic with RR of 28. On physical examination, his breath sounds are decreased at the left upper chest with dullness on percussion. A tube thoracostomy is inserted in the fifth intercostal space with the return of 200ml of blood and no air leak. The most appropriate next step is to: a. measure blood pressure again b. begin transfuse O negative blood c. wait until the chest xray is completed d. obtain a CT scan of the chest and abdomen e. repeat the physical exam of the chest - e. repeat the physical exam of the chest A 22 yo male is brought to the ED after being assaulted in a bar. On intial exam, his vital signs are normal and his Glasgow Coma scale is V5E4M6. A definite indication for a head CT is

a. prescence of hemotympanum b. complains of headache c. prescense of 10cm scapl laceration d. prescence of mandibular fracture e. history of assault - a. prescence of hemotympanum a 23 yo construction worker is brought to the ED after falling more than 9 meters from scaffolding. He is reported to have landed on his feet and then been unable to bear weight. His vital signs are heart 140, blood pressure 96/60 mmHg, resp rate

36. He is complaining of lower abdbominal and lower limb pain, and has obvious deformity of both lower legs with bilateral open tibial fractures. WHich one of the following statements concerning this patient is true? a. pelvic injury can be ruled out, based on the MOI b. blood loss from the lower limbs is the most likely cause of his tachycardia c. xrays of the patient chest and pevlic are important adjuncts in the inital assessment d. spinal cord injury is the most likely cause of hypotension e. aortic injury is likely - c. xrays of the patient chest and pevlic are important adjuncts in the inital assessment 25 yo female in the third trimester of preganacy is brought to the ED following a high speed MVA. She is conscious, and her vital signs are RR 16, HR 120, BP 70/50. The laboratory results show a PaCO2 of 50mmHg/5.3kPa (normal range 35- 45). Which one of the following statments concerning this patient is true? a. fetal assessment should take priority b. logrolling the patient to the right will decompress the vena cava c. Rh immuno therapy sshould be immediately adminstered d. normal PaCO2 is concerning for impending RR e. vasopressors should be given to the patient - d. normal PaCO2 is concerning for impending RR a 30 year old male is stabbed in the right chest. on arrival in the ED he is very short of breath. His heart rate is 120, and blood pressure is 80/50 mmHg. His neck veins are flat. On auscultation of the chest, there is diminished air entry on the right side and on percussion there is dullness posteriorly. These findings are most consistent with

a. tension pneumothorax b. pericardial tamponade c. hypovolemia from liver injury d. massive hemothorax e. spinal cord injury - d. massive hemothorax which one of the following is true regarding burns? a. alkali chemica burns should be neutralized with a dilute acid rather than irrigated with warm water b. patients who sustain thermal burns are at a lower risk for hypothermia c. initial treatment of partial thickness thermal burns should include antibiotic cream and cold compress d. an electrical burn with only a small external injury associated with a clenched hand indicates deep ST injury e. The parkland formula should be used to determine adequacy of resuscitation - d. an electrical burn with only a small external injury associated with a clenched hand indicates deep ST injury A 15 year old is brought to the ED after being involved in a MVA. He was intubated by emergency medical personnal with subsequent bilateral breath sounds per their report. Upon arrival to the ED the patients O2 saat is 92%, heart 96, and blood pressure 150/85. Breath sounds are decreased in the left side of the thorax. The next step is a. immediate needle cricothyroidotomy b. immediate needle thoracentesis c. chest tube insertion d. reassess the position of the endotracheal tube e. obtain a chest CT - d. reassess the position of the endotracheal tube Which one of the following statements is true regrading patients with severe traumatic brain injuries a. Dextrose is the IV fluid of choice b. prescence of hypoxia and hypotension significantly increase the risk of mortality c. Benzodiazepines are the medications of choice for sedation

d. In a unresponsive patient, mannitol should be the first line therapy to treat increased ICP - b. prescence of hypoxia and hypotension significantly increase the risk of mortality The first priority in the management of a long bone fracture is a. reduction of pain b. prevention of infection in cause of open fracture c. prevention of further ST injury d. reduction of blood loss e. improvement of long term function - d. reduction of blood loss a 40 yo obese patient with a GCD of V2E2M4 requires a CT scan. Before transfer to the scanner, you should a. give more sedative drugs b. insert a multi lumen esophageal airway c. obtain a definitive airway d. request cervical spine film e. insert a NG tube - c. obtain a definitive airway Which of the following patient require imaging....? a. 28 yo who fell from a 3 meter balcony and sustained a fracture. The patient does not have spine pain, motor or sensory deficits and has an otherwise normal PE. b. 40 yo patient who sustained a severe closed head injury and has a GCS of 8 V2M3E3 c. 6month old who fell from the couch to the carpted floor and has a GCS of 15 d. 10 yo who was hit in the head with a bat and has a right frontal hematoma without history of LOC and does not have neck pain or tenderness e. 30 yp man who after a MVA, briefly LOC but was ambulating at teh scene and does not have neck or back pain - b. 40 yo patient who sustained a severe closed head injury and has a GCS of 8 V2M3E3 A 30 year old male is brought toe the hospital after falling 6 meters. Inspection reveals an obvious flail chest on the right. Breath sounds on the right are slightly increased. Twelve hours later, the patient is in severe respiratory distress. Arterial blood gas obtained while the patient recieves oxygen by face mask are: pH of 7,47,