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MGIMS WARDHA MGIMS WARDHA Solved Paper-2015

  • question_answer
    Which of the following is the correct sequence of development of erthrocytes?

    A)  Erythrocytes\[\to \]Normoblasts\[\to \] Erythroblasts\[\to \]Reticulocytes

    B)  Erythroblasts\[\to \]Normoblasts\[\to \]Reticulocytes\[\to \]Erythrocytes

    C)  Erythroblasts\[\to \]Reticulocytes\[\to \]Erythrocytes\[\to \]Normoblasts

    D)  Normoblasts\[\to \]Erythroblasts\[\to \]Erythrocytes\[\to \]Reticulocytes

    Correct Answer: B

    Solution :

                    The mother cells of RBCs are nucleated erythroblast. Following is the development of erythrocytes:
    Erythrocytes (mature RBC)
    \[\uparrow \]
    Reticulocytes (young RBC)
    \[\uparrow \]
    Normoblasts (nucleated RBC)
    \[\uparrow \]
    Erythroblasts (mother cells-nucleated RBC)
    \[\uparrow \]
    Erythropoesis is the production of RBC, in foetus, liver and in bone marrow at different stages of life.


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