Emma Norton, aged 26, is admitted to hospital with an acuteexacerbation of her COPD. Using your knowledge of the respiratorysystem (M2) and the cardiovascular system (M3), please answer thefollowing questions below. Be sure to clearly label the differentparts:
PART A / Emma undergoes a pulmonary lung function test. Howwould her total lung capacity test and her FEV1/FVC values compareto normal physiological values?
PART B / In hospital, Emma is placed on oxygen but developsrespiratory depression. Explain why Emma stops breathing when sheis administered oxygen.
PART C / Emma's COPD has caused pulmonary hypertension andsubsequent failure of the right ventricle. What are the roles ofvenous pressure and capillary hydrostatic pressure in causingedema?
PART D /Â Â Emma's right ventricular failure has causeda decrease in cardiac output. Explain which hormonal system will beactivated and how it compensate for this.
