Question

A 68-year-old man with COPD is prescribed long-term oxygen therapy (LTOT). He continues to smoke cigarettes despite advice. What is the most significant and immediate risk associated with this behaviour?

Accepted Answer

Severe facial burns and fire hazard

Answer

Worsening of COPD progression

Answer

Increased risk of lung cancer

Answer

Carbon monoxide poisoning

Answer

Oxygen toxicity leading to hypercapnia

Practice question

A 68-year-old man with COPD is prescribed long-term oxygen therapy (LTOT). He continues to smoke cigarettes despite advice. What is the most significant and immediate risk associated with this behaviour?