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  A patient has a decreased vitamin B12 assay. The Schilling test detects labeled vitamin B12 in the urine when it is given with intrinsic factor. What is the correct interpretation?  

Which hereditary disease has the following characteristics: mutation on the transport proteins The RBC membrane is excessively permeable to potassium. The potassium leaks out of the cell, but this is not balanced by an increase in sodium. a variety of stomatocytosis

Which hereditary disease has the following characteristics: Laboratory findings – poikilocytosis with fragmentation, microspherocytosis, and elliptocytosis similar to that in patients with thermal burns. The MCV is very low (50 to 65 fL)  the RBCs show marked thermal sensitivity. After incubation of a blood specimen at 41° to 45° C, the RBCs fragment.  

What is the most likely causative association between malaria and sickle cell trait?  

All are examples of microangiopathic hemolytic anemias (MAHAs) except:  Thrombotic thrombocytopenia purpura (TTP)  Hemolytic uremic syndrome (HUS)  Disseminated intravascular coagulation (DIC)  Immune thrombocytopenia purpura 

Ringed sideroblasts are seen in:  Inherited sideroblastic anemia  Acquired hemochromatosis  Iron deficiency anemia  Anemia of chronic inflammation

Which test can confirm a paroxysmal nocturnal hemoglobinuria diagnosis in a patient?  Sucrose hemolysis test (sugar water test)  Reticulocyte count  Ham test (acidified serum lysis test)  Flow cytometry for cell surface markers

Which is decreased in intravascular hemolysis?    

A mild intravascular hemolytic anemia resulting from forceful repeated effect of the feet on hard surfaces is called:  

3. What is the legal requirement under IDEA regarding the involvement of parents in the assessment process?