Ventilation-perfusion ratio concept US Medical PG Flashcards - Medical Study Cards
Master Ventilation-perfusion ratio concept with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Ventilation-perfusion ratio concept Flashcard Deck - 10 Cards
Flashcard 1: What type of V/Q mismatch occurs due to pulmonary embolus?_____
Answer: Dead space*
Flashcard 2: What type of V/Q mismatch occurs due to airway obstruction? _____
Answer: Shunt (perfusion but no ventilation)
Flashcard 3: _____ is ventilation of lung regions that are not perfused (V/Q = )
Answer: Dead space
Flashcard 4: In certain pathologic situations, the physiologic dead space may become greater than the anatomic dead space, suggesting a _____ defect
Answer: ventilation/perfusion (V/Q)
Flashcard 5: _____ is perfusion of lung regions that are not ventilated (V/Q = 0)
Answer: Shunt
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=8]
https://onlinemeded.org?ref=anki
Flashcard 6: The V/Q ratio at the base of the lung is normally _____, indicating wasted perfusion
Answer: 0.6
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=6]
https://onlinemeded.org?ref=anki
Flashcard 7: In zone _____ of the lung, high alveolar pressure may compress the capillaries and reduce blood flow in this zone
Answer: 1
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=6]
https://onlinemeded.org?ref=anki
Flashcard 8: In the lungs, hypoxia causes vaso-_____
Answer: constriction
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=4]
https://onlinemeded.org/spa/pulmonology?ref=anki
Flashcard 9: Certain organisms that thrive in high O2 (e.g. TB) flourish in the _____ of the lung
Answer: apex
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=6]
https://onlinemeded.org?ref=anki
Flashcard 10: Is the A - a gradient normal, increased, or decreased, in response to V/Q mismatch?
_____
Answer: Increased
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=25]
https://onlinemeded.org?ref=anki
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