<prompt> Arterial O2 content is reduced in one of the followingStagnant hypoxiaAnemic hypoxiaHistotoxic hypoxiaIschemic hypoxia  <response>: Ans. b Anemic hypoxiaRef: Ganong, 25th edp.646Characterized by reduction in hemoglobin concentration and decline in the O2 -carrying capacity of the blood reduced arterial O2 contentAnemic hypoxia is seen in Carbon monoxide poisoning and methemoglobinemia 