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https://www.stuvia.com/en-us/doc/8089272/tcar-post-testreal-exam-questions-with-correct-answers-a-gradedverified-content
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1. Helmets and automobile airbags work because they
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prevent blows to the head.
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reduce acceleration injuries.
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increase deceleration speed.
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add deceleration distance. - ANSWER: reduce acceleration injuries.
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2. Which of the following statements best describes knife wounds? Their velocity is
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, the temporary cavity
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, and damage
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.
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low; depends on the size of the knife; is usually extensive
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low; is insignificant; is limited to structures directly in object's path
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high; will be small; affects structures at some distance from the wound tract
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high; may be massive; results in widespread tissue destruction - ANSWER: low; is
insignificant; is limited to structures directly in object's path
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4. Injury to which body structure is commonly a DELAYED finding in the blast trauma
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patient?
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Heart
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Bladder
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Bowel
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Spleen - ANSWER: Bowel
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5. Shock occurs when
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the sodium-potassium pump fails.
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ATP levels are less than lactic acid levels.
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cellular oxygen demand is greater than supply.
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aerobic metabolism exceeds anaerobic metabolism. - ANSWER: cellular oxygen
demand is greater than supply.
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6.
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shock is the most common type of shock immediately after traumatic injury.
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Distributive Septic Cardiogenic Hypovolemic - ANSWER: Hypovolemic
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7. Which findings suggest a trauma patient is experiencing cardiogenic shock?
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Bradycardia, cyanosis, and elevated mean arterial pressure
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High shock index, mottling, and hypotension
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Tachycardia, flushing, and widened pulse pressure
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Pallor, course breath sounds, and hypertension - ANSWER: High shock index,
mottling, and hypotension
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8. A multisystem trauma patient has become progressively tachycardic and
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hypotensive one week after hospital admission. Pulse pressure is wide. The most likely
explanation for this finding is
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dehydration.
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fat embolism syndrome.
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surgical site bleeding.
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sepsis. - ANSWER: sepsis.
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9. Normalizing a trauma patient's body temperature helps control bleeding because
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hypothermia
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produces shivering and makes platelets hyperactive.
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causes platelet dysfunction and clotting system failure.
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stimulates the clotting cascade and reduces blood pressure.
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increases tissue oxygen consumption and cold diuresis. - ANSWER: causes platelet
dysfunction and clotting system failure.
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10. What are the 3 components of the "trauma triad of death"?
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Coagulopathy, hypothermia, and acidosis
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Hypothermia, alkalosis, and coagulopathy
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Alkalosis, hyperthermia, and tissue injury
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Tissue injury, hyperthermia, and acidosis - ANSWER: Coagulopathy, hypothermia,
and acidosis
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11. Compensatory responses to hypovolemic shock include
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vasoconstriction, tachycardia, and oliguria.
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immune system activation, water retention, and bradycardia.
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tachycardia, diuresis, and hypoglycemia.
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fluid shifts, histamine release, and increased urine output. - ANSWER:
vasoconstriction, tachycardia, and oliguria.
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12. What four factors determine a patient's cardiac output?
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Pulse pressure, afterload, shock index, and blood pressure
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Heart rate, preload, contractility, and afterload
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Preload, mean pressure, heart rate, and central venous pressure
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Contractility, systolic pressure, shock index, and pulse pressure - ANSWER: Heart
rate, preload, contractility, and afterload
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13. Trauma resuscitation is considered complete when hemorrhage is controlled, the
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patient has normal vital signs, and
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body temperature has been stabilized.
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hemoglobin level is greater than 8 g/dL.
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aerobic metabolism is reestablished.
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the Glasgow Coma Scale score exceeds 13. - ANSWER: aerobic metabolism is
reestablished.
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14. A patient with posterior rib fractures is at the highest risk for concomitant fractures
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of the
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sternum.
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T-spine.
clavicles.
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ribs 1 and 2. - ANSWER: T-spine.
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15. A motocross racer hit a ditch at high speed. The rider's chest was thrown against the
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handlebars. Which assessment finding indicates the patient has a flail chest?
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Paradoxical movement of the right chest wall
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A bubbling wound located on the upper thorax
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Subcutaneous emphysema and pain on palpation
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Chest dissymmetry with unilateral hyperexpansion - ANSWER: Paradoxical
movement of the right chest wall
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16. Pulmonary contusions cause a problem at what point on the tissue oxygenation
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cascade?
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Hemoglobin availability
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Cardiac output
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Diffusion
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Ventilation - ANSWER: Ventilation
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17. What is the usual intervention for a patient with subcutaneous emphysema?
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Chest tube insertion
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Emergent surgical repair
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Needle decompression
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Observation and reassessment - ANSWER: Observation and reassessment
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18. 15 hours after a motor vehicle collision, an unrestrained driver is experiencing
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frequent, irregular heartbeats. The most likely cause of this finding is injury to the
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left atrium.
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left ventricle.
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right atrium.
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right ventricle. - ANSWER: right atrium.
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