The sudden onset of which of the following signs and symptoms indicates a pulmonary embolism?
1. Wheezing
2. Coughing out blood-streaked sputum
3. Cyanosis
4. Sudden shortness of breath
a. 3, 4
b. 1, 2
c. 2, 3, 4
d. 1, 2, 3, 4
D
All of the listed options, and others, are signs and symptoms that could indicate a pulmonary embolism.
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