Respiratory disorders.
K1. Regarding plateau pressure (Pplat), which of the following statements is CORRECT?: a) Pplat represents the pressure applied to the large airways and alveoli: TRUE/FALSE. b) It is the peak pressure recorded during the inspiratory phase: TRUE/FALSE. c) It is independent of chest wall mechanics: TRUE/FALSE. d) It should be maintained below 28-30 cm H2O: TRUE/FALSE....
Which of the following is an indication for glucocorticoid therapy in ARDS?: a) ARDS precipitated by eosinophilic pneumonia. b) ARDS in community-acquired pneumonia with CRP of 100 mg/L. c) Persistent ARDS beyond 14 days. d) ARDS secondary to influenza. e) ARDS with partial arterial pressure of oxygen/fraction of inspired oxygen ratio=280....
Regarding the relationship of end tidal CO2 (ETCO2) and PaCO2, which of the following statements is FALSE?: a) In healthy lungs the ETCO2 is approximately 0.5 kPa greater than PaCO2. b) The difference between ETCO2 and PaCO2 increases when body temperature decreases. c) The difference between ETCO2 and PaCO2 is reduced in pregnancy. d) A reduction in pulmonary blood flow of 50% would produce approximately a 50% reduction in ETCO2. e) In COPD the ETCO2 and PaCO2 difference can be reduced by reducing ventilatory frequency and increasing tidal volume....