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

Where does the process of erythropoiesis originate?

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

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

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

What is the lifespan of erythrocytes (RBCs)?

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

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

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

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

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

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

<p>Sickle cell disease (B)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

<p>Stress (D)</p> Signup and view all the answers

Where does hemolysis occur in extravascular hemolysis?

<p>In liver (A)</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 (C)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

What is the test used to diagnose pernicious anemia?

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

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

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

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

<p>Granules of iron in mitochondria (D)</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 (A)</p> Signup and view all the answers

Which lab values are typically low in sideroblastic anemia?

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

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