Question : "A 23-year-old woman presents to the Emergency Department with acute asthma. She has had a cough andprogressively worsening symptoms over the past 3 days. This will be her fourth hospital admission in recentyears and she has had two previous stays on the Intensive Care Unit. On admission to the department you notethat she is drowsy and has a pulse of 95/min, poor respiratory effort and bilateral poor air entry.Which of the following biochemical features on 40% oxygen would best fit with a near fatal attack?E) Paco2 7 kPa, Pao2 7 kPa, pH 7.18"