Ohobaric oxygen is used in:-

Ans is 'a' i.e., CO Poisoning Ohobaric Oxygen - 100% oxygen at atmospheric pressure. Ohobaric oxygen is used in CO poisoning. It reduces the half life of carboxyhemoglobin complex. About use of hyperbaric oxygen in CO poisoning. - Although hyperbaric oxygen therapy is often recommended for patients with coma, syncope, seizures, and cardiovascular instability, for those who do not respond to ohobaric oxygen therapy, recent data suggest that it is no more effective than ohobaric oxygen therapy -