Question

Under which condition, dissociation of oxygen from oxyhemoglobin in tissues occurs?

• A. Low $\rho O_2$ in the tissues
• B. High $\rho C{O}_2$ in the tissues
• C. High $H^{+}$ ion concentration in blood
• D. All of these

Answer 1

The correct option is D All of these

The dissociation of oxygen from oxyhaemoglobin is favoured by:

• Low partial pressure of oxygen ($\rho O_2$) in tissues
• High partial pressure of carbon dioxide ($\rho C{O}_2$) in tissues
• High $H^{+}$ ion concentration, i.e, low pH in blood
• High body temperature

Thus, option d is the correct answer.