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With this blood picture, an additional test indicated is:

A useful chemical test for the diagnosis of hairy cell leukemia is the: 

Which of the following is the formula for mean corpuscular hemoglobin? 

Which of the following anomalies is an autosomal dominant disorder characterized by irregularly-sized inclusions in a polymorphonuclear neutrophils, abnormal giant platelets and often thrombocytopenia? 

After the removal of red blood cells from the circulation hemoglobin is broken down into: 

The white cell feature most characteristic of pernicious anemia is

CBC: Hgb: 8.2 g/dL Hct: 25.0% MCV: 90 fL WBC: 65.0 x10⁹/L Platelets: 45 x10⁹/L Patient Summary:A 45-year-old male presents with fatigue, bleeding gums, and frequent bruising. He notes a recent 10-pound weight loss and intermittent fevers. Physical exam reveals petechiae and mild hepatosplenomegaly. Peripheral smear shows large immature cells with high nuclear-to-cytoplasmic ratio and fine chromatin. Some of the blasts contain rod-like inclusions. Microscopy Image: Cytochemical Stain Recommendation: Myeloperoxidase (MPO) stain: Positive Sudan Black B: Also positive What is the most likely diagnosis? 

The characteristic morphologic feature in folic acid deficiency is: 

The majority of the iron in an adult is found as a constituent of: 

Which of the following characteristics are common to hereditary spherocytosis, hereditary elliptocytosis, hereditary stomatocytosis, and paroxysmal nocturnal hemoglobinuria?