Oxygen-hemoglobin dissociation curve — Flashcards

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Oxygen-hemoglobin dissociation curve — Flashcards

10 flashcards

Read Study Notes Questions

Carbon monoxide binds competitively to Hb and with 200-250x _____ affinity than O2

Carboxyhemoglobin heme groups not bound by CO have a(n) _____ affinity for O2

What is the secondary regulator of cerebral perfusion?

What is the primary regulator of cerebral perfusion?

How long can the brain withstand hypoxia before sustaining irreversible damage?

In the _____, HCO3- enters the red blood cells in exchange for Cl-

Which zone of the lung has the highest Pao2? _____

COPD, cyanotic congenital heart disease, obstructive sleep apnea, and high altitude cause _____ polycythemia

Is the A - a gradient normal, increased, or decreased, in response to right-to-left shunts? _____

#10

_____ in 2,3-BPG cause the O2-hemoglobin dissociation curve to shift to the left

Oxygen-hemoglobin dissociation curve US Medical PG Flashcards - Medical Study Cards

Master Oxygen-hemoglobin dissociation curve 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.

Oxygen-hemoglobin dissociation curve Flashcard Deck - 10 Cards

Flashcard 1: Carbon monoxide binds competitively to Hb and with 200-250x _____ affinity than O2

Answer: greater

Flashcard 2: Carboxyhemoglobin heme groups not bound by CO have a(n) _____ affinity for O2

Answer: increased

Flashcard 3: What is the secondary regulator of cerebral perfusion?

Answer: PO2 - only takes effect during severe hypoxia

Flashcard 4: What is the primary regulator of cerebral perfusion?

Answer: PCO2

Flashcard 5: How long can the brain withstand hypoxia before sustaining irreversible damage?

Answer: 5 minutes

Flashcard 6: In the _____, HCO3- enters the red blood cells in exchange for Cl-

Answer: lungs

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=12] https://onlinemeded.org?ref=anki

Flashcard 7: 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

Flashcard 8: 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 9: Is the A - a gradient normal, increased, or decreased, in response to right-to-left shunts? _____

Answer: Increased

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=26] https://onlinemeded.org?ref=anki

Flashcard 10: _____ in 2,3-BPG cause the O2-hemoglobin dissociation curve to shift to the left

Answer: Decreases

Extra: https://onlinemeded.org/spa/heme-onc/hemoglobin/acquire?ref=anki

Keywords: Oxygen-hemoglobin dissociation curve flashcards, medical flashcards, NEET PG preparation, USMLE Step 1 flashcards, Anki alternative, spaced repetition medical, OnCourse flashcards

Oxygen-hemoglobin dissociation curve Flashcards for USMLE

Study 10 flashcards on Oxygen-hemoglobin dissociation curve 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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There are 10 flashcards for Oxygen-hemoglobin dissociation curve, covering the key concepts, clinical correlations, and high-yield facts from this chapter of Gas exchange.

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Read through each prompt and try to answer before revealing the back of the card. This active recall approach builds stronger memories than passive reading. Combine flashcards with the study notes and MCQ practice for the best results.

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