V/Q mismatch — Flashcards

V/Q mismatch — Flashcards

V/Q mismatch — Flashcards

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46 flashcards— Page 3 of 5
Study NotesQuestions
#21

In a patient with left-sided pneumonia, placement into the left lateral decubitus position results in _____ perfusion of the non-ventilated alveoli

#22

Decreasing VA/Q may be due to a _____ shunt

#23

Does 100% O2 improve PaO2 in V/Q mismatch due to shunt? _____

#24

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

#25

A defining characteristic of hypoxemia caused by a right-to-left shunt is that it _____ be corrected with high O2 gas

#26

What type of V/Q mismatch occurs due to airway obstruction? _____

#27

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

#28

Increased VA/Q results in _____

#29

COPD patients with oxygen induced hypercapnia suffer from excess oxygen induced generation of increased _____

#30

The _____ ratio is the ratio of alveolar ventilation to pulmonary blood flow

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