Iron Deficiency Anemia and Causes
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Questions and Answers

What is the characteristic of red cells in normocytic normochromic anemia?

  • Normal size and normal hemoglobin content (correct)
  • Large size and normal hemoglobin content
  • Small size and low hemoglobin content
  • Normal size and low hemoglobin content
  • What is the underlying cause of microcytic hypochromic anemia?

  • Iron deficiency in the diet (correct)
  • Deficiency of vitamin B12
  • Increase in blood hemoglobin level
  • Genetic aberration in hemocytoblastic cells
  • What is the characteristic of red blood cells in macrocytic normochromic anemia?

  • Normal size and normal hemoglobin content
  • Small size and normal hemoglobin content
  • Small size and low hemoglobin content
  • Large size and low hemoglobin content (correct)
  • What is the characteristic of red cells in polycythemia vera?

    <p>Large size and normal hemoglobin content</p> Signup and view all the answers

    Which condition leads to the production of large quantities of extra red blood cells?

    <p>Hypoxia in high altitudes</p> Signup and view all the answers

    What is the key difference between normocytic normochromic anemia and microcytic hypochromic anemia?

    <p>Size of red blood cells</p> Signup and view all the answers

    Which vitamin deficiency is associated with macrocytic normochromic anemia?

    <p>Vitamin B12</p> Signup and view all the answers

    'Secondary Polycythemia' results from which condition?

    <p>'Hypoxia due to failure of oxygen delivery to tissues'</p> Signup and view all the answers

    What is the cause of iron deficiency anemia following partial gastrectomy?

    <p>Chronic blood loss</p> Signup and view all the answers

    Which vitamin deficiency can lead to megaloblastic anemia?

    <p>Vitamin B12</p> Signup and view all the answers

    What is the characteristic feature of red cells in megaloblastic anemia?

    <p>Oversized and bizarre shapes</p> Signup and view all the answers

    Which condition can lead to atrophy of the stomach mucosa causing megaloblastic anemia?

    <p>Pernicious anemia</p> Signup and view all the answers

    In which condition can erythroblasts not proliferate rapidly enough to form normal red blood cells?

    <p>Erythroblastosis fetalis</p> Signup and view all the answers

    What type of anemia is characterized by oversized red blood cells and fragile membranes?

    <p>Megaloblastic anemia</p> Signup and view all the answers

    Which deficiency can result in the production of red cells mostly oversized with bizarre shapes?

    <p>Folic acid deficiency</p> Signup and view all the answers

    What is the effect of loss of intrinsic factor from the stomach mucosa on erythroblast production?

    <p>Slow reproduction</p> Signup and view all the answers

    What is the most common cause of iron deficiency anemia?

    <p>Blood loss</p> Signup and view all the answers

    Which type of anemia results from a lack of functioning bone marrow?

    <p>Aplastic anemia</p> Signup and view all the answers

    In rapid hemorrhage, how long does it usually take for the red blood cell concentration to return to normal?

    <p>1-3 days</p> Signup and view all the answers

    Which anemia is characterized by red cells being produced that are much smaller than normal?

    <p>Iron deficiency anemia</p> Signup and view all the answers

    What can lead to iron deficiency anemia in individuals who cannot absorb enough iron from the intestines?

    <p>Chronic blood loss</p> Signup and view all the answers

    Which type of anemia is a result of reduced red blood cell production?

    <p>Iron deficiency anemia</p> Signup and view all the answers

    What causes the red cells in iron deficiency anemia to have too little hemoglobin inside them?

    <p>Insufficient iron absorption</p> Signup and view all the answers

    What is the event called when low oxygen tension in the tissues causes sickling, which leads to ruptured red cells and a further decrease in oxygen tension?

    <p>Sickle cell disease crisis</p> Signup and view all the answers

    What causes rapid hemolysis and leads to a child being born with serious anemia in Hemolytic anemia of the newborn?

    <p>Rh-negative red blood cells in the fetus attacked by antibodies from an Rh-positive mother</p> Signup and view all the answers

    What type of anemia is characterized by red cell volume (MCV) and mean cell hemoglobin (MCH) being within normal ranges?

    <p>Normocytic normochromic anemia</p> Signup and view all the answers

    What leads to the release of a large number of early blast forms of red cells into the blood in Hereditary Hemolytic Anemia?

    <p>Newly formed red cells to compensate for destroyed cells</p> Signup and view all the answers

    Which condition may result in mild or severe anemia, as well as secondary anemia as seen in chronic renal failure and hypothyroidism?

    <p>Thalassemia</p> Signup and view all the answers

    In which type of anemia is there a decrease in red blood cells within a few hours, often leading to death?

    <p>Sickle cell disease crisis</p> Signup and view all the answers

    What type of anemia involves fragile Rh-positive red blood cells attacked by antibodies from an Rh-negative mother?

    <p>Hemolytic anemia of the newborn</p> Signup and view all the answers

    Which condition classifies anemia based on red cell volume (MCV) and mean cell hemoglobin (MCH)?

    <p>Normocytic normochromic anemia</p> Signup and view all the answers

    What is the main characteristic of red blood cells in hereditary spherocytosis?

    <p>They are small and spherical</p> Signup and view all the answers

    What is the underlying cause of sickle cell anemia?

    <p>Presence of abnormal hemoglobin S</p> Signup and view all the answers

    What is the effect of low oxygen concentrations on hemoglobin S in sickle cell anemia?

    <p>It triggers crystallization within the red blood cells</p> Signup and view all the answers

    Which type of anemia results from a shortened lifespan of red blood cells due to fragility?

    <p>Hemolytic anemia</p> Signup and view all the answers

    Why do red blood cells in hereditary spherocytosis easily rupture?

    <p>They lack the normal loose, baglike cell membrane structure</p> Signup and view all the answers

    What distinguishes the red blood cells in sickle cell anemia from normal cells?

    <p>They appear sickle-shaped due to elongation and damage from precipitated hemoglobin</p> Signup and view all the answers

    Which type of anemia is characterized by red blood cells that are both small and spherical?

    <p>Hereditary spherocytosis</p> Signup and view all the answers

    Why do red blood cells in sickle cell anemia become highly fragile?

    <p>From damage caused by precipitated hemoglobin crystals</p> Signup and view all the answers

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