Which of the following findings is most likely on ventilation - ProProfs Discuss
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Which of the following findings is most likely on ventilation-perfusion lung scans? A 63-year old man comes to the emergency department 30 minutes after the sudden onset of right-sided chest pain and shortness of breath that began after a 10-hour drive in his truck. The pain is more sever with inspiration. He does not smoke cigarettes. His pulse is 110/min, and respirations are 32/min. the lungs are clear to auscultation.



A. Absence of perfusion in some areas that are ventilated
B. Absence of ventilation in some areas that are perfused
C. Absence of ventilation-perfusion mismatching
D. Decreased perfusion gradient from the apices to the bases of the lungs
E. Increased ventilation-perfusion ratios at lung bases compared with those at apices

This question is part of NBME 13 Section 2 (50 questions)
Asked by Chachelly, Last updated: Mar 27, 2020

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Chachelly

Chachelly

Answered Jan 31, 2018

Absence of perfusion in some areas that are ventilated
 

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