The main form of CO2 transport in the blood is []
A. Physical dissolution
B. Formation of bicarbonate
C. Formation of carbamoyl hemoglobin
D. Binding to plasma proteins
E. Bicarbonate
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The correct statement about the CO2 dissociation curve is []
A. the relationship between the content of CO2 bound to Hb and PCO2
B. It is S-shaped
C. There is a saturation point
D. Changes in PO2 can shift it
E. Not linear relationship
The following are not directly related to gas exchange in lung []
A. V/Q ratio
B. Respiratory membrane area
C. Respiratory membrane thickness
D. Gas partial pressure
E. Airway caliber
Which of the following is not a component of the respiratory membrane []
Alveolar wall elastic fibers
B. Liquid layer containing lung surfactant
C. Alveolar epithelial layer
D. Capillary basement membrane
E. Capillary endothelial layer
The significance of lung stretch reflex is []
A. Increase lung ventilation
B. Decrease lung ventilation
C. Inhibit exhalation and excite inhalation
D. Stop inhalation and exhale happen
Excite inhalation and exhalation
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