Quiz On Differential White Blood Cell Count

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Quiz On Differential White Blood Cell Count - Quiz

Do you know about differential white blood cell count? To test your knowledge, take this quiz on differential white blood cell count. It is a kind of test that a complete blood count accompanies. If you have studied it properly, this quiz will be an easy one for you. Even if you miss out on some questions, we are here to help you with the correct answer. Go for it, and see how much you score. All the best! Share it with others also.


Questions and Answers
  • 1. 

    When performing a differential cell count, how many leukocytes are counted?

    • A.

      100

    • B.

      50

    • C.

      200

    • D.

      1000

    Correct Answer
    A. 100
    Explanation
    When performing a differential cell count, 100 leukocytes are counted. This is because a differential cell count is a laboratory test that measures the proportions of different types of white blood cells in a blood sample. The count is typically performed on a stained blood smear slide under a microscope, and 100 leukocytes are counted to obtain an accurate representation of the different types of white blood cells present.

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  • 2. 

    What is the stain of choice for a Differential WBC count?

    • A.

      Giemsa

    • B.

      Supravital

    • C.

      Wright's

    • D.

      All of the above

    Correct Answer
    C. Wright's
    Explanation
    Wright's stain is the stain of choice for a Differential WBC count. It is commonly used in laboratories to differentiate and identify different types of white blood cells. Wright's stain allows for the visualization of the cellular morphology and staining characteristics of the white blood cells, aiding in the identification and quantification of different cell types. Giemsa and supravital stains are not specifically used for differential WBC counts, making Wright's stain the correct answer.

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  • 3. 

    You evaluate a smear and notice that all of the cells appear too blue. How would you classify the staining technique?

    • A.

      Good stain

    • B.

      Alkaline stain

    • C.

      Acid stain

    • D.

      Basic stain

    Correct Answer
    B. Alkaline stain
    Explanation
    An alkaline stain is a staining technique that results in cells appearing too blue. This suggests that the stain used has a high pH, causing the cells to take up more of the basic dye and appear more blue in color.

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  • 4. 

    What is the anticoagulant of choice for performing a reticulocyte?

    • A.

      EDTA

    • B.

      Sodium Heparin

    • C.

      Lithium Heparin

    • D.

      CPDA-1

    Correct Answer
    A. EDTA
    Explanation
    EDTA is the anticoagulant of choice for performing a reticulocyte count because it prevents clotting by chelating calcium ions, which are necessary for the coagulation cascade. This allows for accurate measurement of reticulocytes, which are immature red blood cells. Sodium heparin and lithium heparin are also commonly used anticoagulants, but they may interfere with the staining process used to identify reticulocytes. CPDA-1 is an anticoagulant used for preserving whole blood for transfusion and is not suitable for reticulocyte counting.

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  • 5. 

    Identify this cell that circulates within the peripheral blood and is utilized in determining the success of a bone marrow transplant.

    • A.

      Heinz body

    • B.

      Reticulocyte

    • C.

      Pappenheimer body

    • D.

      None of the above

    Correct Answer
    B. Reticulocyte
    Explanation
    A reticulocyte is a cell that circulates within the peripheral blood and is used to determine the success of a bone marrow transplant. Reticulocytes are immature red blood cells that still contain remnants of ribosomes, giving them a reticular or lace-like appearance when stained. After a bone marrow transplant, the number of reticulocytes in the blood can be measured to assess the functionality of the transplanted bone marrow and the production of new red blood cells. Therefore, the presence and count of reticulocytes are crucial in evaluating the success of a bone marrow transplant.

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  • 6. 

    The Differential White Blood Cell Count test is performed to diagnose what? (select that apply)

    • A.

      Infection

    • B.

      Anemia

    • C.

      Cancer

    Correct Answer(s)
    A. Infection
    C. Cancer
    Explanation
    A Differential White Blood Cell Count Test is performed to diagnose the following:
    Infection: This test helps identify infections by measuring the different types of white blood cells. Elevated levels of certain types of white cells can indicate an infection.
    Cancer: Certain cancers, like leukemia, can be detected through abnormal white blood cell counts and distributions.

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  • 7. 

    What could be the reason for increased neutrophils?

    • A.

      Acute infection

    • B.

      Acute stress

    • C.

      Trauma

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Neutrophils are a type of white blood cell that plays a crucial role in the immune response against infections. When there is an acute infection, the body increases the production and release of neutrophils to combat the invading pathogens. Acute stress can also trigger the release of neutrophils as part of the body's fight or flight response. Similarly, trauma or injury can cause an increase in neutrophils as the body initiates an inflammatory response to heal the damaged tissues. Therefore, all of the above factors can contribute to an increased number of neutrophils.

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  • 8. 

    What could be the reason for decreased neutrophils?

    • A.

      Flu

    • B.

      Bacterial infection

    • C.

      Viral infection

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The reason for decreased neutrophils could be all of the above options, including flu, bacterial infection, and viral infection. Neutrophils are a type of white blood cell that play a crucial role in fighting off infections. During an infection, the body's immune response may cause a decrease in the number of neutrophils. This can occur in response to various types of infections, including the flu, bacterial infections, and viral infections. Therefore, all of the listed options can lead to a decrease in neutrophil count.

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  • 9. 

    White blood cell differential is the blood test performed with a complete blood count.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that a white blood cell differential is indeed a blood test that is performed along with a complete blood count. This test helps to determine the different types and percentages of white blood cells present in the blood sample. It provides valuable information about the immune system and can help in diagnosing various infections, allergies, and other medical conditions. Therefore, the statement "White blood cell differential is the blood test performed with a complete blood count" is true.

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  • 10. 

    There are 8 types of white blood cells.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "There are 8 types of white blood cells" is false. In reality, there are five main types of white blood cells: neutrophils, lymphocytes, monocytes, eosinophils, and basophils. Each type of white blood cell has a different function in the immune system.

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  • Current Version
  • Jun 12, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 16, 2009
    Quiz Created by
    Calinkous
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