Carrying oxygen and carbon dioxde

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  • Created by: ez
  • Created on: 26-12-13 20:19

1. What effect does increasing pO2 have on Hb?

  • It shifts the equilibrium so more Hb exists in the deoxy state
  • It causes more oxygen to be unloaded
  • It shifts the equilibrium so more Hb exists in the oxy state
  • It increases the affinity for O2
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Other questions in this quiz

2. Where is BPG commonly found?

  • The lungs
  • Erythrocytes
  • Metabolizing tissues

3. How many porphyrin rings does one molecule of Haemoglobin have?

  • Four
  • One
  • Eight

4. How is the majority of oyxgen carried?

  • Dissolved in the plasma
  • Bound to haemoglobin
  • Bound to myoglobin

5. When is myoglobin's affinity for O2 at its lowest?

  • In very low O2 levels
  • In very high O2 levels

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