Alveolar dead space (high V/Q) — Flashcards

Alveolar dead space (high V/Q) — Flashcards

Alveolar dead space (high V/Q) — Flashcards
10 flashcards
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#1

Increased VA/Q results in _____

#2

Both ventilation and perfusion are _____ at the base of the lung than at the apex of the lung

#3

A decrease in PAO2 causes a hypoxic _____ that shunts blood away from poorly ventilated regions of the lung

#4

In a patient with a pulmonary emboli, V/Q lung scan shows mismatch due to abnormal _____

#5

In certain pathologic situations, the physiologic dead space may become greater than the anatomic dead space, suggesting a _____ defect

#6

_____ is perfusion of lung regions that are not ventilated (V/Q = 0)

#7

The V/Q ratio at the base of the lung is normally _____, indicating wasted perfusion

#8

In zone _____ of the lung, high alveolar pressure may compress the capillaries and reduce blood flow in this zone

#9

In the lungs, hypoxia causes vaso-_____

#10

Certain organisms that thrive in high O2 (e.g. TB) flourish in the _____ of the lung

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Alveolar dead space (high V/Q) Flashcards | V/Q mismatch Study Cards - OnCourse