Clinical features of ARDS include hypoxemia and cyanosis with respiratory distress due to a _____ diffusion barrier
#5
Increased ventilation (e.g. high altitude) causes _____ Paco2
#6
Is the A - a gradient normal, increased, or decreased, in response to diffusion defects (e.g. fibrosis, pulmonary edema)? _____
#7
What is the secondary regulator of cerebral perfusion?
#8
What is the primary regulator of cerebral perfusion?
#9
How long can the brain withstand hypoxia before sustaining irreversible damage?
#10
Which zone of the lung has the highest Pao2?
_____
Hypoxemia mechanisms US Medical PG Flashcards - Medical Study Cards
Master Hypoxemia mechanisms 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.
Hypoxemia mechanisms Flashcard Deck - 10 Cards
Flashcard 1: Patients with cyanide poisoning have a _____ of the venous-arterial PO2 gradient
Answer: narrowing
Flashcard 2: In exercise, O2 exhibits _____-limited gas exchange
Flashcard 4: Clinical features of ARDS include hypoxemia and cyanosis with respiratory distress due to a _____ diffusion barrier
Answer: thickened
Flashcard 5: Increased ventilation (e.g. high altitude) causes _____ Paco2
Answer: decreased
Flashcard 6: Is the A - a gradient normal, increased, or decreased, in response to diffusion defects (e.g. fibrosis, pulmonary edema)? _____
Answer: Increased
Flashcard 7: What is the secondary regulator of cerebral perfusion?
Answer: PO2 - only takes effect during severe hypoxia
Flashcard 8: What is the primary regulator of cerebral perfusion?
Answer: PCO2
Flashcard 9: How long can the brain withstand hypoxia before sustaining irreversible damage?
Answer: 5 minutes
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
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Hypoxemia mechanisms Flashcards for USMLE
Study 10 flashcards on Hypoxemia mechanisms 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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