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 (B)</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 (A)</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 (B)</p> Signup and view all the answers

Which vitamin deficiency is associated with macrocytic normochromic anemia?

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

'Secondary Polycythemia' results from which condition?

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

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

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

Which vitamin deficiency can lead to megaloblastic anemia?

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

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

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

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

<p>Pernicious anemia (D)</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 (B)</p> Signup and view all the answers

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

<p>Megaloblastic anemia (C)</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 (D)</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 (B)</p> Signup and view all the answers

What is the most common cause of iron deficiency anemia?

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

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

<p>Aplastic anemia (B)</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 (D)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>Iron deficiency anemia (B)</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 (D)</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 (A)</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 (C)</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 (B)</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 (C)</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 (B)</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 (D)</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 (A)</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 (B)</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 (B)</p> Signup and view all the answers

What is the underlying cause of sickle cell anemia?

<p>Presence of abnormal hemoglobin S (D)</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 (A)</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 (D)</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 (C)</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 (B)</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 (C)</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 (A)</p> Signup and view all the answers

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