On massive blood transfusion the following complication occurs-
Respiratory acidosis
Metabolic acidosis
Metabolic alkalosis
Respiratory alkalosis
Answer- C. Metabolic alkalosisBanked blood has a pH of 6.8 and is acidotic.After massive transfusion citrate in the stored blood is conveed into bicarbonate resulting in metabolic alkalosis.Other complications are-HypokalemiaHypothermiaHypocalcemiaRef: Transfusion Medicine and Hemostasis: Clinical and Laboratory Aspects By Christopher D. Hillye, Page 291 ; Yao and Ausio's Anesthesiology: Problem-Oriented Patient Management By Fun-Sun F. Yao, 6th Edition, Page 1148