SOLVED

1) Which of the following is the correct description of a wound that is below the fifth rib, directly in line with the armpit? A) Sixth intercostal space, midclavicular B) Sixth intercostal space, midaxillary line C) Fifth intercostal space, midclavicular line D) Fifth intercostal space, midaxillary line 2) The morbidity associated with simple pneumothorax is primarily due to which of the following? A) Occlusion of pulmonary circulation B) Increased intrathoracic pressure C) Loss of chest wall integrity D) Ventilation/perfusion mismatch 3) On maximal expiration the diaphragm may be: A) As high as the fourth intercostal space anteriorly B) As high as the second intercostal space anteriorly C) As low as the ninth intercostal space anteriorly D) As low as the eleventh intercostal space anteriorly 4) Which of the following occurs during the onset of inspiration? A) Intrathoracic pressure increases and venous return to the heart is impeded. B) Intrathoracic pressure increases and venous return to the heart is facilitated. C) Intrathoracic pressure decreases and venous return to the heart is impeded. D) Intrathoracic pressure decreases and venous return to the heart is facilitated. 5) The trachea divides into the right and left mainstem bronchi at the: A) Carina B) Hilum C) Lingual D) Thoracic inlet 6) Which of the following has the greatest likelihood of resulting in an open pneumothorax? A) Any opening between the pleural cavity and the atmosphere B) Open defects that are two-thirds the size of the trachea or larger C) Open defects that are larger in diameter than the trachea D) Open defects that are one-quarter the size of the trachea or larger 7) Your patient is a 38-year-old male who was pinned beneath the frame of a vehicle when it slipped off the makeshift jacks he was using to elevate it. The patient’s brother thinks he may have been trapped for up to 20 minutes. The rescue unit is preparing to use airbags to lift the vehicle off the patient. Which of the following medications could you consider giving this patient? A) Magnesium sulfate B) Calcium chloride C) Sodium bicarbonate D) Potassium chloride 8) Your patient is a 27-year-old male with one stab wound at the fifth intercostal space posteriorly, on the right. He is ambulatory at the scene but dyspneic and has air movement at the site of the injury. Which of the following should you do first? A) Apply oxygen by nonrebreather. B) Cover the wound with your gloved hand. C) Prepare an occlusive dressing. D) Perform a needle thoracostomy. 9) Which of the following statements is NOT true of pericardial tamponade? A) It is most often associated with penetrating trauma. B) The systolic blood pressure increases significantly on inspiration. C) As little as 150 ml of blood can cause pericardial tamponade. D) The pathophysiology results in increased venous pressure and decreased cardiac output. 10) Which of the following statements concerning blunt thoracic trauma in the pediatric population is most accurate? A) Children are more likely than adults to suffer both rib fracture and organ injury. B) Children are less likely than adults to suffer either rib fractures or organ injury. C) Children are more likely than adults to suffer rib fractures but less likely to suffer significant organ injury. D) Children are less likely than adults to suffer rib fractures but more likely to have significant organ injury. 1