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MHT CET Medical202623 April 2026Evening ShiftBiologyBreathing and Exchange of GasesActual

Which of the following is NOT directly related to chloride shift?

Options

  1. ACarbonic anhydrase activity
  2. BBohr effect
  3. CHaldane effect
  4. DBicarbonate transport

Correct answer

B. Bohr effect

Step-by-step solution

Chloride shift, also known as the Hamburger phenomenon, is the process where bicarbonate ions ( HCO₃^- ) diffuse out of red blood cells (RBCs) into the plasma, and to maintain electrical neutrality, chloride ions ( Cl^- ) diffuse from the plasma into the RBCs. This process is a crucial part of carbon dioxide ( CO₂ ) transport in the blood. Carbonic anhydrase activity is directly related because it catalyzes the hydration of CO₂ to form carbonic acid ( H₂CO₃ ), which then dissociates into H^+ and HCO₃^- . Bicarbonat

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