第五章单元测试
- If the tidal volume decreases by 50%，the respiratory frequency increases from 12/min to 24/min，___. （ ）
- The air exchange between the capillaries and the alveoli in lung is called ___.（ ）
- The factor that acts as a buffer against the extreme changes in alveolar air pressure is ___.（ ）
- The total lung capacity is equal to ___.（ ）
- The index used to compare the pulmonary elastic resistance among persons is ___. （ ）
- The intrapleural pressure in the end of expiration is ___. （ ）
- The site where the partial pressure of CO2 is the highest is___.（ ）
- If the tidal volume of a man is about 500ml，his dead space volume is about 150ml，his respiratory rate is 12/min，and his cardiac output is 5L/min, his ventilation/perfusion ratio is ___.（ ）
- The bicarbonates in the plasma is mainly synthesized in the red cells, because ___.（ ）
- The primary form as which CO2 is transported in blood is ___.（ ）
A:the alveolar ventilation increases B:the alveolar ventilation decreases C:the minute ventilation volume decreases D:the minute ventilation volume increases E:the alveolar ventilation does not change
答案:the alveolar ventilation decreases
A:gas exchange in tissue B:gas transport C:pulmonary ventilation D:gas exchange in lung E:cellular respiration
A:the functional residual capacity B:the inspiratory reserve volume C:the inspiratory capacity D:the tidal volume E:the expiratory reserve volume
A:the tidal volume plus the functional residual capacity B:the inspiratory capacity plus the functional residual capacity C:the sum of the tidal volume and the vital capacity D:the functional residual capacity plus the vital capacity E:the residual volume plus the inspiratory reserve volume
A:the compliance B:the vital capacity; C:the minute ventilation volume D:the specific compliance E:the timed vital capacity
A:equal to the air pressure B:lower than the intrapleural pressure in the beginning of inspiration C:higher than the air pressure D:higher than the intrapleural pressure in the beginning of expiration E:lower than the intrapleural pressure in the beginning of expiration
A:the capillary blood B:the tissues C:the arterial blood D:the alveoli E:the venous blood
A:0.84 B:0.8 C:1.2 D:1.4 E:3
A:CO2 partial pressure is higher B:hemoglobin can inhibit the reaction of CO2 and water C:the red cell contains a large amount of carbonic anhydrase D:there is a special HCO-3 carrier on the membrane of the red cell E:the red cell is rich in hemoglobin
A:carbamino hemoglobin B:blood glucose C:physical dissolution D:bicarbonate E:blood proteins
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