COPD requiring long-term oxygen therapy — RCPSC IM MCQ
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Correct answer: E — Prescribe an antibiotic course directed by local exacerbation guidance
Explanation lettering: C = shown as A · A = shown as B · D = shown as C · E = shown as D · B = shown as E
B is correct: the cardinal symptoms of increased dyspnea, sputum volume and purulence support antibiotics in COPD exacerbation. C and D are not routine treatment. E delays care. A does not treat an infective exacerbation.
Reference: Canadian Thoracic Society, Long-term NIV in COPD guideline: https://cts-sct.ca/wp-content/uploads/2021/05/20210507_CTS-LT_NIV_COPD-Guideline-Publication.pdf