Chapter 17: Hematologic Systems - Microcytic Anemia Causes
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Questions and Answers

Which blood cell type does not contain a nucleus?

  • Reticulocytes
  • Thrombocytes (platelets)
  • Leukocytes (WBCs)
  • Erythrocytes (RBCs) (correct)
  • What stimulates the process of erythropoiesis?

  • Reduced blood flow
  • Increased platelet count
  • Erythropoietin (EPO) (correct)
  • Insufficient oxygen levels in the body
  • In which part of the body does the greatest bone marrow activity occur in adults?

  • Femur
  • Vertebrae (correct)
  • Skull
  • Humerus
  • What is the most common symptom associated with a rapid onset of anemia?

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

    Which test is commonly used for diagnosing anemia by assessing the number of red blood cells?

    <p>Complete blood count (CBC)</p> Signup and view all the answers

    Where does the process of erythropoiesis originate?

    <p>Bone marrow</p> Signup and view all the answers

    Which component is responsible for carrying oxygen from the lungs to the body?

    <p>Erythrocytes (RBCs)</p> Signup and view all the answers

    What is the lifespan of erythrocytes (RBCs)?

    <p>120 days</p> Signup and view all the answers

    Which cell type originates from the same stem cell as platelets and white blood cells?

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

    Which hormone is produced in response to low blood oxygen levels to stimulate red blood cell production?

    <p>Erythropoietin (EPO)</p> Signup and view all the answers

    Which of the following is not an extrinsic cause of hemolysis?

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

    In which type of hemolysis does the breakdown of red blood cells occur in the vasculature?

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

    What condition is associated with normocytic anemia according to the text?

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

    Which of the following is a symptom of sickle cell disease, according to the text?

    <p>Aseptic bone necrosis</p> Signup and view all the answers

    What is the primary function of blood clotting factors in the hematologic system?

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

    Which of the following is not a symptom of sickle cell disease?

    <p>Night blindness</p> Signup and view all the answers

    What is a common trigger for sickle cell crisis mentioned in the text?

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

    Where does hemolysis occur in extravascular hemolysis?

    <p>In liver</p> Signup and view all the answers

    Which of the following conditions is not caused by a defect in RBC metabolism?

    <p>Immune-mediated hemolysis</p> Signup and view all the answers

    What type of hemolysis involves the presence of hemosiderin deposits in certain organs?

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

    Which type of anemia is characterized by the presence of ringed sideroblasts?

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

    Which type of anemia is more common in the Mediterranean area?

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

    Which of the following is not a cause of macrocytic anemia?

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

    What is the test used to diagnose pernicious anemia?

    <p>Intrinsic factor antibody test</p> Signup and view all the answers

    Which type of anemia may confer some level of protection against malaria?

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

    What is the main cause of macrocytic anemia due to an inability to absorb B12?

    <p>Lack of intrinsic factor</p> Signup and view all the answers

    Which type of anemia is characterized by abnormally large RBCs that don't function appropriately?

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

    What is the content of the ringed sideroblasts in sideroblastic anemia?

    <p>Granules of iron in mitochondria</p> Signup and view all the answers

    In which type of anemia do you observe nucleated erythroblasts with iron-laden mitochondria surrounding the nucleus?

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

    Which lab values are typically low in sideroblastic anemia?

    <p>MCV and TIBC</p> Signup and view all the answers

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