<prompt> In which of the following conditions oxygen delivery is least to muscles?Person inhaling 100 percent oxygen at the top of mout everestMarathon runner at sea levelPerson with carbon monoxide poisoningNone of the above this option none of the above was also there  <response>: In person suffering from carbon monoxide poisoning , perfusion to the muscle is least Ref: guyton and hall textbook of medical physiology 12 edition page number:353,354,355 