Medicine Polycythemia 9d9b308d Gaisbock syndrome is known as- A Primary familial polycytemia B High altitude Erythrocytosis C Spurious Polycythemia D Polycythemia vera High-Yield Explanation Ans. is 'c' i.e., Spurious Polycythemia o Gaisbock syndrome refers to spurious polycythemia or relative erythrocytosis due to decreased plasma volume.