Site of RBC formation in 20 years old healthy male is____________?

Related Mcqs:

1. The most important buffer in RBC is____________?

   A. O2 Hb +Na hemoglobinate
   B. O2Hb +K hemoglobinate
   C. H2CO3 + KHCO3
   D. H2CO3 +NAHCO3

2. Daily loss of iron per day in a healthy adult male is_______________?

   A. 0.06 mg
   B. 0.6 mg
   C. 60 mg
   D. 600 mg

3. Biconcave shape of RBC helps by___________________?

   A. Increasing flexibility
   B. Increasing surface area
   C. Carrying more Hemoglobin
   D. Passing easily through smaller capillaries

4. Life cycle of RBC is_______________?

   A. 12 days
   B. 90 days
   C. 120 days
   D. One month

5. Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ?

   A. Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG
   B. Hypoxia inhibits hexokinase
   C. Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane
   D. Activation of the regulatory enzymes by high PH

6. A patient reports with dyspnoea on slight exertion. He also has multiple petechial spots and spontaneous hemorrhage. His RBC count is less than one lakh/mm3 His hematocrit and hemoglobin is low. Most probable diagnosis is______________?

   A. Pernicious anemia
   B. Thalassemia
   C. Aplastic anemia
   D. Sprue

7. Increase in number of RBC is seen in ____________?

   A. Neutropenia
   B. Leukemia
   C. Polycythemia
   D. Anaemia

8. A young patient is hospitalized with petechiae of oral mucous membrane, marginal gingival hemorrhage and with a platelet count of 45,000/ cc The BT and Clot Retraction time are increased, RBC and TLC are normal He is suffering from________________?

   A. Infectious mononucleosis
   B. Thrombocytopenic purpura
   C. Leukemia
   D. Hemophilia

9. Bony union taking place with formation of medullary callus without periosteal callus formation is______________?

   A. Primary union
   B. Secondary union
   C. Both of the above
   D. None of the above

10. A 20 year male complains of recurrent attacks of sore tthroat since 2 years. The total leukocyte count was 1000/ul. A differential count revealed severe neutropenia. The diagnosis is________________?

    A. Subleukemic leukemia
    B. Infectious mononucleosis
    C. Agraulocytosis
    D. Leukoerythroblastic anemia