Pathophysiology Quiz
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RESPIRATORY PATHOPHYSIOLOGY
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Which of the following scenarios is the purest example of a physiologic state dominated by wasted perfusion?
A
A massive pulmonary embolism occluding 80% of the pulmonary circulation.
B
Complete atelectasis of the right lung with continued blood flow to that lung.
C
Shallow breathing in a patient with neuromuscular disease, leading to a PaCO2 of 70 mmHg.
D
End-stage emphysema with extensive loss of alveolar capillary beds.
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