Gld Ch. 10 T2(Blood)

48 Questions | Total Attempts: 69

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Blood Quizzes & Trivia

Questions and Answers
  • 1. 
    1. Which of the following would result from a reduced number of erythrocytes in the blood?
    • A. 

      Increased hemoglobin in the blood

    • B. 

      Decreased hematocrit

    • C. 

      Increased risk of hemostasis

    • D. 

      Decreased osmotic pressure of the blood

  • 2. 
    2. What term is used to describe a deficit of all types of blood cells?
    • A. 

      Leucopenia

    • B. 

      Neutropenia

    • C. 

      Pancytopenia

    • D. 

      Erythrocytosis

  • 3. 
    3. Capillary walls consist of:
    • A. 

      Multiple endothelial layers.

    • B. 

      A thick layer of smooth muscle.

    • C. 

      Two or three epithelial layers.

    • D. 

      A single endothelial layer.

  • 4. 
    4. Vitamin K is required by the liver to synthesize:
    • A. 

      Heparin.

    • B. 

      Prothrombin.

    • C. 

      Amino acids.

    • D. 

      Bilirubin.

  • 5. 
    5. Individuals with type O blood are considered to be universal donors because their blood:
    • A. 

      Contains A and B antibodies.

    • B. 

      Contains A and B antigens.

    • C. 

      Contains A and B antigens.

    • D. 

      Contains A and B antigens.

  • 6. 
    6. What are the two circulations that comprise the overall circulatory system?
    • A. 

      Pulmonary and systemic circulations

    • B. 

      Peripheral and central circulations

    • C. 

      Cardiovascular and lymphatic circulations

    • D. 

      Cardiopulmonary and peripheral circulations

  • 7. 
    7. Chronic blood loss causes anemia because of the:
    • A. 

      Shortened life span of the erythrocytes.

    • B. 

      Lower metabolic rate.

    • C. 

      Loss of protein and electrolytes.

    • D. 

      Smaller amount of recycled iron available.

  • 8. 
    8. What is the cause of sickle cell anemia?
    • A. 

      A defective gene inherited from both parents

    • B. 

      A chronic bacterial infection

    • C. 

      Bone marrow depression

    • D. 

      An autoimmune reaction

  • 9. 
    9. Which of the following best describes the characteristic erythrocyte associated with pernicious anemia?
    • A. 

      Hypochromic, microcytic

    • B. 

      Normochromic, normocytic

    • C. 

      Elongated, sickle-shaped

    • D. 

      Megaloblastic or macrocytic nucleated cells

  • 10. 
    10. What causes numbness and tingling in the fingers of individuals with untreated pernicious anemia?
    • A. 

      Persistent hyperbilirubinemia

    • B. 

      Increasing acidosis affecting metabolism

    • C. 

      Vitamin B12 deficit causing peripheral nerve demyelination

    • D. 

      Multiple small vascular occlusions affecting peripheral nerves

  • 11. 
    11. Jaundice is one typical sign of:
    • A. 

      Sickle cell anemia.

    • B. 

      Aplastic anemia.

    • C. 

      Iron deficiency anemia.

    • D. 

      Acute leukemia.

  • 12. 
    12. What are the typical early general signs and symptoms of anemia?
    • A. 

      Chest pain, palpitations

    • B. 

      Jaundice, stomatitis

    • C. 

      Pallor, dyspnea, and fatigue

    • D. 

      Bradycardia, heat intolerance

  • 13. 
    13. What is the cause of oral ulcerations and delayed healing occurring with any severe anemia?
    • A. 

      Lack of folic acid for DNA synthesis

    • B. 

      Frequent microinfarcts in the tissues

    • C. 

      Deficit of oxygen for epithelial cell mitosis and metabolism

    • D. 

      Elevated bilirubin levels in blood and body fluids

  • 14. 
    14. Which of the following is present with pernicious anemia?
    • A. 

      Pancytopenia

    • B. 

      Hypochlorhydria

    • C. 

      Leukocytosis

    • D. 

      Multiple infarcts

  • 15. 
    15. Why is pernicious anemia treated with injections of vitamin B12?
    • A. 

      An immune reaction in the stomach would destroy the vitamin.

    • B. 

      Digestive enzymes would destroy the vitamin.

    • C. 

      The vitamin irritates the gastric mucosa.

    • D. 

      The ingested vitamin would not be absorbed into the blood.

  • 16. 
    16. Why do abnormally low hemoglobin values develop with pernicious anemia?
    • A. 

      Decreased production of erythrocytes

    • B. 

      Shorter life span of erythrocytes

    • C. 

      Abnormal structure of hemoglobin chains

    • D. 

      Deficit of folic acid

  • 17. 
    17. What are the common early signs of aplastic anemia?
    • A. 

      Painful joints and skeletal deformity

    • B. 

      Abdominal discomfort and splenomegaly

    • C. 

      Excessive bleeding and recurrent infections

    • D. 

      Palpitations and chest pain

  • 18. 
    18. Why do vascular occlusions and infarcts occur frequently with sickle cell anemia?
    • A. 

      The red blood cells are abnormally large.

    • B. 

      Increased hemolysis of erythrocytes occurs.

    • C. 

      Erythrocytes change to sickle shape when hypoxia occurs.

    • D. 

      HbS is unable to transport oxygen.

  • 19. 
    19. Which of the following applies to sickle cell trait?
    • A. 

      Most hemoglobin is in the form of HgS

    • B. 

      Sickling of erythrocytes occurs with severe hypoxia.

    • C. 

      Painful sickling crises with multiple infarctions occur frequently.

    • D. 

      A child’s skeletal growth is delayed.

  • 20. 
    20. What is the basic abnormality in thalassemia?
    • A. 

      Several amino acids in the globin chains have been replaced by substitute amino acids.

    • B. 

      More than four globin chains are found in the erythrocytes.

    • C. 

      The iron molecule is displaced in hemoglobin.

    • D. 

      There is failure to synthesize either the alpha or beta chains in the hemoglobin molecule.

  • 21. 
    21. Which of the following can result from a malabsorption problem?
    • A. 

      Aplastic anemia

    • B. 

      Sickle cell anemia

    • C. 

      Thalassemia major

    • D. 

      Pernicious anemia

  • 22. 
    22. In individuals with pernicious anemia, antibodies form to:
    • A. 

      Vitamin B12.

    • B. 

      Intrinsic factor or parietal cells.

    • C. 

      Mucus-producing glands.

    • D. 

      Hydrochloric acid.

  • 23. 
    23. In cases of polycythemia vera, blood pressure is elevated as a result of:
    • A. 

      Increased blood volume.

    • B. 

      Frequent infarcts in the coronary circulation.

    • C. 

      Congested spleen and bone marrow.

    • D. 

      Increased renin and aldosterone secretions.

  • 24. 
    24. Petechiae and purpura are common signs of:
    • A. 

      Excessive hemolysis.

    • B. 

      Leucopenia.

    • C. 

      Increased bleeding.

    • D. 

      Hemoglobin deficit.

  • 25. 
    25. Which statement applies to the disorder hemophilia A?
    • A. 

      It is transmitted as an X-linked dominant trait.

    • B. 

      There is usually a total lack of factor VIII in the blood.

    • C. 

      Males and females can be carriers.

    • D. 

      Hematomas and hemarthroses are common.

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