2. Which is more common in the ICU setting?
Aspiration
Atelectasis
Pneumonia
ARDS

3. The diagnosis of atelectasis is favored over pneumonia by all of the following radioopaque signs except:
Overcrowding of vessels
Rapid clearing
Hazy margins
Elevation of the hemidiaphragm

4. Resolution of the chest film after aspiration of gastric contents can occur by the third day.
True
False

5. Which of the following is not correct?
CT pulmonary angiogram is a viable alternative to V/Q scan in the ICU patient
Pulmonary embolism is a common cause of sudden death
Most patients with a pulmonary embolism DO NOT have abnormalities on chest x-ray
Most pulmonary embolisms are a result of deep venous thrombosis in the lower extremities

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