Leucocyte alkaline phosphatase (LAP) is raised in A/E-
Ans. is 'd' i.e., Chronic myeloid leukemiao Low LAP score is seen in : -(i) CML(ii) Paroxysmal nocturnal hemoglobinuria(iii) Hematological neoplasma (rare)(iv) Myelodysplastic syndrome(v) Rare infections or toxic exposureo Myelofibrosis, polycythemia vera and essential thrombocytosis (thrombocythemia) are myeloproliferative disorders in which LAP score is increased.
Myelofibrosis
Essential thrombocythemia
Polycythemia
Chronic myeloid leukemia