Hematology And Clotting Studies

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  • 1/10 Questions

    Platelets main use?

    • Decreased = Bleeding, impaired production and some drugs
    • When blood vessels are damaged platelets are activated to assist with clotting
    • Increased = Oral contraceptives
    • Platelets are plates
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About This Quiz

All things hema and a bit of clott clott!

Hematology And Clotting Studies - Quiz

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  • 2. 

    Clotting Studies. APTT stands for what?

    • Androgonous peri timbo time

    • A partial thromolisis ticking tom

    • Activated per thrombus thermal

    • Activated partial thromboplastic time

    Correct Answer
    A. Activated partial thromboplastic time
    Explanation
    APTT stands for Activated Partial Thromboplastic Time. This is a laboratory test that measures the time it takes for blood to clot. It is used to evaluate the effectiveness of the intrinsic pathway of the coagulation cascade and to monitor patients on anticoagulant therapy. The other options provided do not accurately represent the acronym APTT and are unrelated to clotting studies.

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  • 3. 

    Main use of hB?

    • Lack of VitB12 is anaemia

    • Anaemia due to blood loww = bone marrow dysfunction.

    • Raised Hb = Polycytheamia = adaptive response to chronic hypoxia

    • Major constituent of RBC. Responsible for O2 transportation

    Correct Answer
    A. Major constituent of RBC. Responsible for O2 transportation
    Explanation
    Hemoglobin (hB) is the major constituent of red blood cells (RBC) and is responsible for the transportation of oxygen (O2) throughout the body. It binds with oxygen in the lungs and releases it to the tissues. A lack of vitamin B12 can lead to anemia, which is characterized by a decrease in the number of red blood cells. Conversely, a raised level of hemoglobin can indicate polycythemia, which is an adaptive response to chronic hypoxia where the body produces more red blood cells to compensate for the low oxygen levels.

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  • 4. 

    Normal ranges for Platelets?

    • 150 - 400 (x10 (9) / L)

    • 400 - 450 (x10 (9) / L)

    • 400 - 500(x10 (9) / L)

    • 120 - 150 (x10 (9) / L)

    Correct Answer
    A. 150 - 400 (x10 (9) / L)
    Explanation
    The normal range for platelets is 150 - 400 (x10 (9) / L). This means that a healthy individual should have a platelet count within this range. Platelets are important for blood clotting and maintaining normal hemostasis in the body. If the platelet count falls below this range, it may indicate a condition called thrombocytopenia, which can lead to excessive bleeding and bruising. On the other hand, if the platelet count exceeds this range, it may suggest a condition called thrombocytosis, which can increase the risk of blood clots. Therefore, the correct answer is 150 - 400 (x10 (9) / L).

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  • 5. 

    White cell count main use? 

    • Part of the immune system

    • Raised = Infection

    • Decreased = Bone marrow dysfunction

    • They are white

    Correct Answer
    A. Part of the immune system
    Explanation
    White cell count is a main indicator of the immune system's functionality. An increased white cell count typically suggests the presence of an infection, as the immune system produces more white blood cells to fight off the invading pathogens. On the other hand, a decreased white cell count may indicate dysfunction in the bone marrow, which is responsible for producing white blood cells. The fact that white blood cells are white is irrelevant to their main use in assessing immune system health.

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  • 6. 

    White Cell Count normal ranges?

    • 3.1 - 4.5 (x10 (9) / L)

    • 4.5 - 4.7 (x10 (9) / L)

    • 4.5 - 5.1 (x10 (9) / L)

    • 3.7 - 9.5 (x10 (9) / L)

    Correct Answer
    A. 3.7 - 9.5 (x10 (9) / L)
    Explanation
    The correct answer is 3.7 - 9.5 (x10 (9) / L). This range represents the normal white cell count in the blood, measured in billions per liter. White cell count is an important indicator of the body's immune system and can help diagnose infections, inflammation, and other medical conditions. A count below or above this range may indicate an abnormality and require further investigation.

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  • 7. 

    What is the time for APTT coagulation clot form?

    • 30 - 40 secs

    • 40 - 45 secs

    • 25 - 30 secs

    • 0 - 40 secs

    Correct Answer
    A. 30 - 40 secs
    Explanation
    The correct answer is 30 - 40 secs. APTT (Activated Partial Thromboplastin Time) is a test used to measure the time it takes for blood to clot. The normal range for APTT is typically between 30 and 40 seconds. This range indicates that the clotting process is functioning properly. If the APTT value is shorter or longer than this range, it may suggest a bleeding or clotting disorder. Therefore, the time for APTT coagulation clot formation is 30 - 40 seconds.

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  • 8. 

    The international normalised ratio normal range is?

    • 0.9 - 1.7

    • 0.9 - 1.1

    • 9 - 11

    • 1.1 - 1.9

    Correct Answer
    A. 0.9 - 1.1
    Explanation
    The international normalized ratio (INR) is a standardized measurement of blood clotting time. A normal range for INR is important to monitor the effectiveness of anticoagulant therapy, such as warfarin. The correct answer, 0.9 - 1.1, falls within the normal range for INR. This range indicates that the blood is clotting within the expected timeframe, neither too quickly nor too slowly.

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  • 9. 

    What are the normal ranges of Hb for women?

    • 12 - 14 g/Dl

    • 14 - 16 g/dl

    • 11 - 15 g/dl

    • 22 - 24 g/dl

    Correct Answer
    A. 12 - 14 g/Dl
    Explanation
    The normal range of Hb (hemoglobin) for women is 12 - 14 g/Dl. Hemoglobin is a protein in red blood cells that carries oxygen throughout the body. This range is considered normal for women and indicates a healthy level of hemoglobin in the blood.

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  • 10. 

    What are the normal ranges of Hb for men?

    • 10 - 16 g/dl

    • 14 - 16 g/dl

    • 12 - 14 g/dl

    • 16 - 17 g/dl

    Correct Answer
    A. 14 - 16 g/dl
    Explanation
    The normal range of Hb for men is 14 - 16 g/dl. This range represents the typical levels of hemoglobin, a protein found in red blood cells that carries oxygen throughout the body, in the blood of adult men. Hemoglobin levels outside of this range may indicate certain medical conditions or abnormalities.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 24, 2012
    Quiz Created by
    AliceGPresenter

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