GCE Mathematics B MEI H640/01: Pure Mathematics and Mechanics A Level Mark Scheme for June 2026 (Complete And Verified Study material) (28pages) LEARNEXAMS

1. Red flag values for acute respiratory failure: Answer PaO2 <60>45 with acidemia = hypercapnia/ventilatory failure SaO2 <90>60), nebs/inhalers, steroids,ventilator, comfortable positioning, anxiety and energy management 6. ARDS: Answer hypoxemia even with 100% oxygen, refractory hypoxemia, dense filtrateson x-ray (ground glass), non cardiac pulm edema, dec. pulm compliance 7. #1 cause of acute lung injury: Answer Sepsis