A. 12 days
B. 90 days
C. 120 days
D. One month
Related Mcqs:
- Biconcave shape of RBC helps by___________________?
A. Increasing flexibility
B. Increasing surface area
C. Carrying more Hemoglobin
D. Passing easily through smaller capillaries - Site of RBC formation in 20 years old healthy male is____________?
A. Flat bones
B. Long bones
C. Liver
D. Yolk sac - 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 - The most important buffer in RBC is____________?
A. O2 Hb +Na hemoglobinate
B. O2Hb +K hemoglobinate
C. H2CO3 + KHCO3
D. H2CO3 +NAHCO3 - 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 - Increase in number of RBC is seen in ____________?
A. Neutropenia
B. Leukemia
C. Polycythemia
D. Anaemia - 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 - In TCA cycle or tricarboxylic acid cycle, which is first formed________________?
A. Isocitrate
B. Citrate
C. Succinate
D. Fumarate - Cardiac cycle duration in man is_______________?
A. 0.4 seconds
B. 0.8 seconds
C. 1.2 seconds
D. 1.6 seconds - Blood supply of ameloblast for most of its life cycle comes form_______________?
A. Dental papilla
B. Reduced enamel organ
C. Dental Sac
D. Dental pulp
