Mendelson syndrome is due to – a) Aspiration pneumonitisb) Chemical pneumonitisc) Oesophagitisd) Oesophageal spasm: (A) ac, (B) ab, (C) ad, (D) bc
Answer is B. Mendelson's syndrome is aspiration pneumonitis caused by aspiration of gastric fluid into the lung.
Aspiration pneumonitis is a chemical pneumonitis due to chemical reaction produced by gastric acid.