A 22-Year-Old Man Is Brought to the Emergency Department After

question 305

Multiple Choice

A 22-year-old man is brought to the emergency department after a high-speed motor vehicle collision.  Blood pressure is 102/60 mm Hg, pulse is 122/min, and respirations are 40/min.  Pulse oximetry is 88% on 6 L oxygen.  The patient is alert but appears to be in respiratory distress.  Breath sounds are diminished bilaterally, and bilateral chest tubes are placed.  The patient's respiratory status initially improves; however, over the next hour, he develops respiratory failure, requiring intubation and mechanical ventilation.  Postintubation chest x-ray is shown below. Which of the following is the most likely cause of this patient's need for mechanical ventilation?

• A)Acute respiratory distress syndrome
• B)Blunt cardiac injury
• C)Diaphragmatic rupture
• D)Fat embolism
• E)Flail chest
• F)Tension pneumothorax

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Police Job

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Walk After Dark

An activity or measure often used in surveys or research to assess feelings of safety or community crime levels.

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In statistical analysis, the predicted count of occurrences in a category based on the proportions in the total sample.

Police Job

Employment within a police force or law enforcement agency, entailing responsibilities related to maintaining public order, enforcing laws, and protecting citizens and property.