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Pulm Cram Deck > SM 156a - Diffusion and Gas Transport > Flashcards

SM 156a - Diffusion and Gas Transport Flashcards

Some images and questions are borrowed from Dr. McCrimmon's lecture on Diffusion and Gas Transport (SM 156a)

1
Q

What is the chloride shift?

A

A rate-limiting chemical reaction that slows CO2 equillibration at the lung

  • Increased HCO3- in the RBC activates the Cl-/HCO3- exchanger
  • Cl- comes into teh cell
  • H+ ions stay in the RBC, buffered by hemoglobin
  • This slows down CO2 offloading to the lungs
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Pulm Cram Deck (15 decks)

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