Assertion (A): | During the transporation of gases, about 20-25 percent of CO2 is carried by haemoglobin as carbamino-haemoglobin. |
Reason (R): | This binding is related to high pCO2 and low pO2 in the tissues |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A)and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver _____________ml of O2 to the tissues.
1. 10 ml
2. 2 ml
3. 5 ml
4. 4 ml
Select the favorable conditions required for the formation of oxyhemoglobin at the alveoli.
1. High pO2, high pCO2, less H+, higher temperature
2. Low pO2, low pCO2, more H+, higher temperature
3. High pO2, low pCO2, less H+, lower temperature
4. Low pO2 high pCO2 more H+, higher temperature
Identify the wrong statement with reference to transport of oxygen:
1. | Partial pressure of CO2 can interfere with O2 binding with haemoglobin. |
2. | Higher H+ concentration in alveoli favours the formation of oxyhaemoglobin. |
3. | Low pCO2 in alveoli favours the formation of oxyhaemoglobin. |
4. | Binding of oxygen with haemoglobin is mainly related to partial pressure of O2. |