Breathing and Exchange of Gases — Prelims Questions

Which of the following statements is INCORRECT regarding the transport of gases in human blood?

During inspiration, which of the following events occurs?

The partial pressure of oxygen ($P_{O_2}$) in the alveolar air is approximately:

Which enzyme is responsible for the rapid formation of carbonic acid in red blood cells?

A decrease in the $P_{O_2}$ of the blood, an increase in $P_{CO_2}$, and a decrease in pH (increased $H^+$ concentration) will cause the oxygen-hemoglobin dissociation curve to shift:

Which of the following is the primary site for the exchange of gases (oxygen and carbon dioxide) in humans?