A 9-year old male castrated Westie presents on emergency after being rescued from a house fire. On presentation, the dog has a respiratory rate of 60 breaths per minute with increased inspiratory effort and moderate distress. The dog's mucous membranes are bright red. What is the likely cause of the bright red color of the dog's mucous membranes?

According to my research on studies conducted by various medical professionals, I can say that based on the information provided within the question the most likely cause for this is Carbon Monoxide poisoning. This is a gas very similar to oxygen although it is poisonous to living organisms and very flammable. When inhales displaces oxygen on hemoglobin molecules which then formes carboxyhemoglobin complexes, which causes the mucous membrane to become bright red.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.