Increase in number of RBC is seen in ____________?

Related Mcqs:

1. 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

2. Biconcave shape of RBC helps by___________________?

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

3. Life cycle of RBC is_______________?

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

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

   A. Flat bones
   B. Long bones
   C. Liver
   D. Yolk sac

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. The most important buffer in RBC is____________?

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

7. 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

8. Increase in lactate and pyruvate is seen in deficiency of_____________?

   A. Pyridoxin
   B. Niacin
   C. Thiamine
   D. Retinotic acid

9. Increase in pyruvate and lactate is seen in which of the following deficiency ?

   A. Thiamine
   B. Pyridoxine
   C. Niacin
   D. Vitamin C

10. The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?

    A. Recovery stage
    B. Recrystallisation stage
    C. Grain growth stage
    D. All of the above