Social Media Management advanced
Which statements about bicarbonate and hemoglobin buffering are supported by the material?
Answer
The bicarbonate buffer includes HCO3− and H2CO3, The stated normal blood buffer ratio is about 20, Deoxyhemoglobin can accept H+ in erythrocytes
Explanation
The bicarbonate system consists of bicarbonate and carbonic acid, and the notes associate a ratio near 20 with blood pH around 7.4. Deoxyhemoglobin accepts hydrogen ions in erythrocytes. The chloride shift involves chloride moving into erythrocytes as bicarbonate moves out. **Key takeaway:** Blood pH regulation depends on coordinated buffer and gas transport processes. **Glossary:** Chloride shift: exchange associated with bicarbonate movement across erythrocyte membranes.
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