A. Increasing flexibility
B. Increasing surface area
C. Carrying more Hemoglobin
D. Passing easily through smaller capillaries
Related Mcqs:
- Life cycle of RBC is_______________?
A. 12 days
B. 90 days
C. 120 days
D. One month - 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 - Which of the following muscle helps in depressing the mandible ___________?
A. Temporalis
B. Massetor
C. Lateral pterygoid
D. Medial pterygoid - Non acidic, nonionic protein which helps in enamel mineralization _______________?
A. Tuftelin
B. Sheathlin
C. Enamelin
D. Amelogenin - Scopolamine helps in________________?
A. Motion sickness
B. Hypertension
C. Decreased secretions
D. A & C
