举一反三
- The pathogenesis of dyspnea in left heart failure? () A: Hypotension. B: Congestion of systemic circulation. C: Myocardial ischemia and hypoxia. D: Increased blood volume. E: Pulmonary congestion and pulmonary edema
- 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
- The pathogenesis of dyspnea in left heart failure?() A: Hypotension. B: Congestion of systemic circulation. C: Myocardial ischemia and hypoxia. D: Increased blood volume. E: Pulmonary congestion and pulmonary edema F: Activation of renin-angiotensin-aldosterone system
- Which of the following is primary function of mechanical ventilation? A: Maintain alveolar ventilation and correct hypoxemia B: Increase carbon dioxide C: Increase blood volume D: Maintain pulmonary blood flow
- The<br/>situation of AB>SB<br/>means ( ) A: HCO3-<br/>retention B: Excessive<br/>HCO3- excretion C: CO2<br/>retention D: Excessive<br/>CO2 expiration E: Fixed<br/>acid retention
内容
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5. Patients with inadequate ventilation will need ____ support. A: life B: airway C: ventilatory D: cannula
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Which of the following is not the clinical manifestation of DIC? A: Hemolytic anemia B: bleeding C: Tissue hypoxia D: acute respiratory distress E: Severe renal dysfunction
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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
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94 The number of particles injected during a perfusion lung scan should be decreased for: （ ） A: the elderly B: those with a high risk of pulmonary embolus C: patients with severe pulmonary hypertension D: asthmatics
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Dead space like ventilation may occur in the case of A: pulmonary embolism B: atelectasis C: consolidation of lung D: pleural effusion E: bronchiectasis