In exercise, O2 exhibits _____-limited gas exchange
#2
N2O exhibits _____-limited gas exchange
#3
CO2 exhibits _____-limited gas exchange
#4
When patients have diseased lung tissue (e.g. fibrosis/emphysema) O2 transfer becomes _____-limited
#5
The lung diffusing capacity, DL, is _____ proportional to the alveolar wall thickness
#6
What is the secondary regulator of cerebral perfusion?
#7
What is the primary regulator of cerebral perfusion?
#8
How long can the brain withstand hypoxia before sustaining irreversible damage?
#9
COPD, cyanotic congenital heart disease, obstructive sleep apnea, and high altitude cause _____ polycythemia
#10
Which zone of the lung has the highest Pao2?
_____
Diffusion limitation vs perfusion limitation US Medical PG Flashcards - Medical Study Cards
Master Diffusion limitation vs perfusion limitation 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.
Diffusion limitation vs perfusion limitation Flashcard Deck - 10 Cards
Flashcard 1: In exercise, O2 exhibits _____-limited gas exchange
Answer: mixed
Flashcard 2: N2O exhibits _____-limited gas exchange
Answer: perfusion
Flashcard 3: CO2 exhibits _____-limited gas exchange
Answer: perfusion
Flashcard 4: When patients have diseased lung tissue (e.g. fibrosis/emphysema) O2 transfer becomes _____-limited
Answer: diffusion
Flashcard 5: The lung diffusing capacity, DL, is _____ proportional to the alveolar wall thickness
Answer: inversely
Flashcard 6: What is the secondary regulator of cerebral perfusion?
Answer: PO2 - only takes effect during severe hypoxia
Flashcard 7: What is the primary regulator of cerebral perfusion?
Answer: PCO2
Flashcard 8: How long can the brain withstand hypoxia before sustaining irreversible damage?
Answer: 5 minutes
Flashcard 9: COPD, cyanotic congenital heart disease, obstructive sleep apnea, and high altitude cause _____ polycythemia
Answer: physiologic secondary
Extra:
* due to chronic hypoxia
Watch Polycythemia [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-myeloid-lymphoid/videos/medical-pathophysiology-myeloid-and-lymphoid-myeloid-disorders-polycythemia?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org?ref=anki
Flashcard 10: Which zone of the lung has the highest Pao2?
_____
Answer: Zone 1
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=14]
https://onlinemeded.org?ref=anki
Keywords: Diffusion limitation vs perfusion limitation flashcards, medical flashcards, NEET PG preparation, USMLE Step 1 flashcards, Anki alternative, spaced repetition medical, OnCourse flashcards
Diffusion limitation vs perfusion limitation Flashcards for USMLE
Study 10 flashcards on Diffusion limitation vs perfusion limitation for USMLE Physiology. These active recall cards cover the key concepts, clinical associations, and high-yield facts from this chapter of Gas exchange. Each card is designed to test your understanding rather than just recognition, building stronger and more durable memories for exam day.
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