This week I will try sticking to a single topic.

BT_PO 1.35 Discuss the physiological consequences of intermittent positive pressure ventilation and positive end-expiratory pressure

TRUE/FALSE Very high levels of PEEP may decrease SaO2

TRUE/FALSE 15-20% of lung volume may be atelectatic during an anaesthetic where IPPV is used

TRUE/FALSE Oxygenation is improved more when hypovolaemic patients are given PEEP compared to normovolaemic patients

TRUE/FALSE Venous admixture may increase to 10% of cardiac output with IPPV and anaesthesia

TRUE/FALSE An increased BMI decreases atelectasis by increasing splinting of the chest wall

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