Answer to Question 1
ANS: A
CDA II is also known as hereditary erythroblastic multinuclearity with positive acidified serum (HEMPAS). It is the most common type of CDA, and is, as the alternate name suggests, associated with giant, multinucleated erythroblastic precursors. The acidified serum test (Ham test) is positive, not the sucrose hemolysis test. Red cells are usually normocytic, although often anisocytosis is noted.
Answer to Question 2
ANS: B
Fanconi anemia is an autosomal recessive disorder, which means that the gene must be inherited from both parents to express the phenotype. Myelodysplasia and secondary aplastic anemia are both acquired. Diamond-Blackfan anemia is an inherited form of pure red cell aplasia (PRCA). Neutrophil and platelet precursors are normal.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th
A roller cell-type electric fuel pump.
Cataracts seen in a child with congenital rubella syndrome.
Calculation of the probabilities in a mating involving the ABO blood type
For each chromosome type in the body, there are two copies. One is from the mother, and one is from