A: Maintain alveolar ventilation and correct hypoxemia
B: Increase carbon dioxide
C: Increase blood volume
D: Maintain pulmonary blood flow
举一反三
- Dead space like ventilation refer to () A: decrease<br/>of partial alveolar ventilation B: increase<br/>of partial alveolar VA/Q C: increase<br/>of partial alveolar ventilation D: decrease<br/>of partial alveolar VA/Q E: increase<br/>of anatomic shunt
- At a high altitude where atmospheric pressure is half of the normal, there is an increase in A: Pulmonary ventilation. B: Alveolar PO2 C: Arterial PO2 D: Arterial H+level E: Cerebral blood flow
- Which<br/>one is used to evaluate the efficiency of pulmonary ventilation? () A: tidal<br/>volume B: functional<br/>residual capacity C: vital<br/>capacity D: expiratory<br/>reserve volume E: alveolar<br/>ventilation
- Which of the following is the best index to judge the function of<br/>total alveolar ventilation? () A: Vital capacity B: AB (actual bicarbonate) C: Tidal volume D: PaO2 E: PaCO2
- The main function of calcitonin is A: increase blood calcium and blood phosphorus B: decrease blood calcium and blood phosphorus C: decrease blood calcium and increase blood phosphorus D: increase blood calcium and decrease blood phosphorus E: involve in the normal calcium regulation
内容
- 0
Which of the following about ventilation/perfusion ratio is wrong? A: normal value in quiet state is 0.84 B: decreasing of ventilation/perfusion ratio means that the alveolar ineffective cavity increases C: ratio in pulmonary bottom is the smallest D: in pulmonary embolism, the ratio increases
- 1
Massage may help to increase blood flow to ______ areas of the body.
- 2
Which one about the (minute) pulmonary ventilation is right A: is equal to tidal volume times respiratory rate. B: increase during exercise. C: varies with the difference of sex and age. D: the total amount of new air moved into the respiratory passages in a minute.
- 3
Skin and mucous membrane paleness is mainly seen in A: Decrease of bilirubin in blood B: Reduced hemoglobin in blood C: Increase of bilirubin in blood D: Increase of reduced hemoglobin in blood E: Decrease of hemoglobin in blood
- 4
A rise in carbon dioxide concentration in the blood cause