Human Anatomy & Physiology: All About Blood 3

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| By Dmclover73
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Human Anatomy & Physiology: All About Blood 3 - Quiz

I created these quizzes to help me study for my A&P exam. This one is all about white blood cells.


Questions and Answers
  • 1. 

    Another name for a white blood cell is a ____________.

    • A.

      Thrombocyte

    • B.

      Erythrocyte

    • C.

      Leukocyte

    • D.

      Hematocyte

    Correct Answer
    C. Leukocyte
    Explanation
    A white blood cell is also known as a leukocyte. Leukocytes are a type of blood cell that play a crucial role in the immune system, helping to defend the body against infections and diseases. They are responsible for identifying and destroying pathogens, as well as producing antibodies to fight off future infections. Leukocytes are an essential component of the body's defense mechanism, and their presence and activity can indicate the presence of an infection or illness. Therefore, the correct answer is "Leukocyte."

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  • 2. 

    White blood cells perform most of their functions out of the circulatory system, but they use the blood for ___________.

    Correct Answer
    transportation
    Explanation
    White blood cells perform most of their functions outside of the circulatory system, such as in tissues and organs, where they fight infections and remove dead cells. However, they still rely on the blood for transportation. The blood carries white blood cells to different parts of the body, allowing them to reach sites of infection or inflammation. Additionally, the blood provides a means for white blood cells to communicate with each other and coordinate their immune responses. Therefore, while white blood cells primarily function outside of the circulatory system, they still depend on the blood for transportation and communication.

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  • 3. 

    What term refers to the passage of white blood cells by ameboid movements through the unruptured wall of a capillary vessel.

    • A.

      Osmosis

    • B.

      Diffusion

    • C.

      Transporting

    • D.

      Diapedesis

    • E.

      Rouleaux

    Correct Answer
    D. Diapedesis
    Explanation
    Diapedesis refers to the process in which white blood cells move through the unruptured wall of a capillary vessel by ameboid movements. It is a crucial mechanism that allows white blood cells to leave the bloodstream and migrate to the site of infection or injury in order to initiate an immune response. This process is essential for the body's defense against pathogens and plays a significant role in inflammation and immune surveillance.

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  • 4. 

    ________ is a condition by which white blood cells are attracted to chemicals released by damaged cells or bacteria that are multiplying which results in movement of a large number or white blood cells into an inflamed area.

    Correct Answer
    Positive chemotaxis
    Explanation
    Positive chemotaxis is a condition in which white blood cells are attracted to chemicals released by damaged cells or multiplying bacteria, causing a large number of white blood cells to move into an inflamed area. This response is essential for the immune system to effectively combat infection and promote healing at the site of inflammation.

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  • 5. 

    ___________ are white blood cells which contain granules in their cytoplasm. These granules contain potent enzymes that destroy ingested bacteria. These granules are _______ and ________ and are about twice the size of red blood cells.

    Correct Answer
    Granulocytes, secretory vesicles, lysosomes
    Explanation
    Granulocytes are a type of white blood cells that contain granules in their cytoplasm. These granules are called secretory vesicles and lysosomes. Secretory vesicles contain potent enzymes that are released to destroy ingested bacteria, while lysosomes are organelles that also contain enzymes for bacterial destruction. These granules are about twice the size of red blood cells.

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  • 6. 

    All of the following are granulocytes except:

    • A.

      Monocytes

    • B.

      Neutrophils

    • C.

      Eosinophils

    • D.

      Basophils

    Correct Answer
    A. Monocytes
    Explanation
    Granulocytes are a type of white blood cell that contain granules in their cytoplasm. They play a crucial role in the immune response by engulfing and destroying pathogens. Neutrophils, eosinophils, and basophils are all examples of granulocytes. However, monocytes are not granulocytes. Monocytes are a type of white blood cell that are part of the innate immune system and are responsible for phagocytosis and antigen presentation. They do not contain granules in their cytoplasm, unlike granulocytes.

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  • 7. 

    ________ contain coarse, uniformly sized granules that stain bright red/orange with acid dyed eosin and have bilobed nuclei.

    • A.

      Basophils

    • B.

      Neutrophils

    • C.

      Eosinophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    C. Eosinophils
    Explanation
    Eosinophils are a type of white blood cell that contain coarse, uniformly sized granules. These granules have the ability to stain bright red/orange when exposed to eosin, an acid dye. Eosinophils also have bilobed nuclei, which means their nuclei are divided into two lobes. Therefore, based on these characteristics, eosinophils can be identified as the cells that fit the description provided in the question.

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  • 8. 

    ______ contain large granules that stain a deep blue/violet with a basic dye. Their granules are so coarse that they may obscure the view of the nucleus which is bilobed.

    • A.

      Neutrophils

    • B.

      Eosinophils

    • C.

      Basophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    C. Basophils
    Explanation
    Basophils contain large granules that stain a deep blue/violet with a basic dye. These granules are coarse and can be so abundant that they may obstruct the view of the bilobed nucleus. This characteristic staining pattern and the presence of coarse granules help to identify basophils.

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  • 9. 

    _________ have neutral staining capabilities. They contain fine granules that are lavender in color and their nuclei have 2-5 lobes that may be connected to one another by very thin strands.

    • A.

      Neutrophils

    • B.

      Eosinophils

    • C.

      Basophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    A. Neutrophils
    Explanation
    Neutrophils have neutral staining capabilities and contain fine granules that are lavender in color. Their nuclei have 2-5 lobes that may be connected to one another by very thin strands.

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  • 10. 

    Granulocytes develop in the _________ and are produced from _________. Their development is similar to that of red blood cells.

    Correct Answer
    red bone marrow, hemocytoblasts
    Explanation
    Granulocytes are a type of white blood cell that play a crucial role in the immune system. They develop in the red bone marrow, which is the soft tissue found inside bones. These cells are produced from hemocytoblasts, which are stem cells that have the ability to differentiate into various types of blood cells. The development of granulocytes is similar to that of red blood cells, which also originate from hemocytoblasts in the red bone marrow. This process of development and differentiation is essential for maintaining a healthy immune system and ensuring the body's defense against infections and diseases.

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  • 11. 

    ________ lack the specific granules in their cytoplasm.

    Correct Answer
    Agranulocytes
    Explanation
    Agranulocytes lack the specific granules in their cytoplasm. Granules are small structures found in the cytoplasm of certain cells, such as neutrophils and eosinophils. These granules contain various substances that are involved in immune responses, such as enzymes and proteins. Agranulocytes, on the other hand, do not have these granules, which distinguishes them from granulocytes. Agranulocytes include lymphocytes and monocytes, which play important roles in the immune system but do not contain the specific granules found in granulocytes.

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  • 12. 

    _______ diameters are 2-3 times greater than that of red blood cells. They possess a large amount of cytoplasm in ratio to the nucleus. Their nuclei vary in shape (round, oval, lobed or kidney-shaped). Thier cytoplasm has a ground glass appearance which is dull gray/blue and digestive vaculoes may be noted in the cytoplasm.

    • A.

      Neutrophils

    • B.

      Eosinophils

    • C.

      Basophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    D. Monocytes
    Explanation
    Monocytes are a type of white blood cell that have larger diameters compared to red blood cells. They have a significant amount of cytoplasm in relation to the nucleus, and their nuclei can have various shapes. The cytoplasm of monocytes has a characteristic ground glass appearance, which is dull gray/blue. Additionally, digestive vacuoles may be observed in their cytoplasm.

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  • 13. 

    ________ are only slightly larger than a red blood cell. Their nuclei are large, round and well-defined and are never lobed. The mature cells will have only a thin rim of blue cytoplasm and these cells are the only white blood cells that are produced by both stem cells in the red bone marrow and organs of the lymphatic system including the lymph nodes, thymus and spleen.

    • A.

      Neutrophils

    • B.

      Eosinophils

    • C.

      Basophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    E. Lymphocytes
    Explanation
    Lymphocytes are only slightly larger than a red blood cell and have large, round, and well-defined nuclei that are never lobed. The mature lymphocytes have only a thin rim of blue cytoplasm. These cells are unique because they are the only white blood cells that are produced by both stem cells in the red bone marrow and organs of the lymphatic system, including the lymph nodes, thymus, and spleen.

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  • 14. 

    Monocytes are formed in red bone marrow and after circulating in the blood for about 14 hours then they migrate into the CT and they become ___________. These scavenger cells have a tremendous capacity for phagocytizing bacteria, dead cells and other matter littering the tissues.

    Correct Answer
    macrophages
    Explanation
    Monocytes are a type of white blood cell that are formed in the red bone marrow. After circulating in the blood for about 14 hours, they migrate into the connective tissue where they transform into macrophages. Macrophages are scavenger cells that have a remarkable ability to engulf and destroy bacteria, dead cells, and other debris present in the tissues. They play a crucial role in the immune response by clearing out pathogens and maintaining tissue homeostasis.

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  • 15. 

    Normal white blood cell counts vary from _______ cells per cubic millimeter of blood.

    • A.

      12,000-15,000

    • B.

      1000-3,000

    • C.

      5,000-10,000

    • D.

      20,000-30,000

    • E.

      8000-12,000

    Correct Answer
    C. 5,000-10,000
    Explanation
    Normal white blood cell counts vary from 5,000-10,000 cells per cubic millimeter of blood. This range is considered normal because it indicates a healthy immune system. White blood cells are responsible for fighting off infections and diseases, so having a sufficient number of them is crucial for maintaining overall health. Counts below or above this range may indicate an underlying medical condition or infection.

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  • 16. 

    _____ occurs when when white blood cells counts are greater than 10,000 per cubic milimeter. This indicates an accute infection such as appendicitis and may also be associated with vigorous excercise and excessive loss of body fluids.

    • A.

      Leukopenia

    • B.

      Lymphoma

    • C.

      Leukocytosis

    • D.

      Leukemia

    Correct Answer
    C. Leukocytosis
    Explanation
    Leukocytosis occurs when white blood cell counts are greater than 10,000 per cubic milimeter. This indicates an acute infection such as appendicitis and may also be associated with vigorous exercise and excessive loss of body fluids. Leukopenia refers to a decrease in white blood cell counts, lymphoma is a type of cancer that affects the lymphatic system, and leukemia is a cancer of the blood and bone marrow. Therefore, the correct answer is Leukocytosis.

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  • 17. 

    _______ occurs when white blood cell counts fall below 5000 per cubic milimeter. This may be associated with viral infections such as measles, mumps or AIDS and can also be caused from lead, arsenic or mercury poisoning.

    • A.

      Leukopenia

    • B.

      Lymphoma

    • C.

      Leukocytosis

    • D.

      Leukemia

    Correct Answer
    A. Leukopenia
    Explanation
    Leukopenia occurs when white blood cell counts fall below 5000 per cubic milimeter. It can be associated with viral infections such as measles, mumps, or AIDS, as well as lead, arsenic, or mercury poisoning.

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  • 18. 

    The percentage of basophils in a typical blood sample is:

    • A.

      54%-62%

    • B.

      1%-3%

    • C.

      Less than 1%

    • D.

      3%-9%

    • E.

      25%-33%

    Correct Answer
    C. Less than 1%
    Explanation
    Basophils are a type of white blood cell that play a role in the immune response, particularly in allergic reactions and inflammation. They make up a very small percentage of the total white blood cell count. The given answer, "Less than 1%", is correct because basophils typically account for less than 1% of the total white blood cell count in a typical blood sample.

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  • 19. 

    A _______________ indicates the percentages of various types of leukocytes present in the blood sample.

    Correct Answer
    differential white blood cell count
    Explanation
    A differential white blood cell count is a test that measures the percentages of different types of white blood cells in a blood sample. This test provides valuable information about the immune system and can help diagnose various medical conditions such as infections, inflammation, and certain types of cancer. By analyzing the proportions of different types of leukocytes, healthcare professionals can gain insights into the patient's overall health and identify any abnormalities or imbalances in the immune system.

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  • 20. 

    The percentage of monocytes in a typical white blood cell count is:

    • A.

      54%-62%

    • B.

      1%-3%

    • C.

      Less than 1%

    • D.

      3%-9%

    • E.

      25%-33%

    Correct Answer
    D. 3%-9%
    Explanation
    The correct answer is 3%-9%. Monocytes are a type of white blood cell that play a role in the immune response. They are responsible for engulfing and destroying pathogens and foreign substances. In a typical white blood cell count, the percentage of monocytes should fall within the range of 3%-9%. This range is considered normal and indicates a healthy immune system.

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  • 21. 

    The percentage of neutrophils in a typical white blood cell count is:

    • A.

      54%-62%

    • B.

      1%-3%

    • C.

      Less than 1%

    • D.

      3%-9%

    • E.

      25%-33%

    Correct Answer
    A. 54%-62%
    Explanation
    The correct answer is 54%-62%. Neutrophils are a type of white blood cell that play a crucial role in the immune system's response to infection. They are the most abundant type of white blood cell and are responsible for fighting off bacterial and fungal infections. The normal range for neutrophils in a white blood cell count is between 54% and 62%. This means that in a healthy individual, neutrophils make up more than half of the total white blood cell count.

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  • 22. 

    The percentage of lymphocytes in a typical white blood cell count is:

    • A.

      54%-62%

    • B.

      1%-3%

    • C.

      Less than 1%

    • D.

      3%-9%

    • E.

      25%-33%

    Correct Answer
    E. 25%-33%
    Explanation
    The correct answer is 25%-33%. Lymphocytes are a type of white blood cell that play a crucial role in the immune system. They help to fight off infections and diseases. In a typical white blood cell count, lymphocytes make up about 25% to 33% of the total count. This range is considered normal and healthy.

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  • 23. 

    The percentage of eosinophils in a typical white blood cell count is:

    • A.

      54%-62%

    • B.

      1%-3%

    • C.

      Less than 1%

    • D.

      3%-9%

    • E.

      25%-33%

    Correct Answer
    B. 1%-3%
    Explanation
    The percentage of eosinophils in a typical white blood cell count is 1%-3%. Eosinophils are a type of white blood cell that plays a role in the immune response against parasitic infections and allergic reactions. A normal range of eosinophils is between 1% and 3% of the total white blood cell count. Higher or lower levels may indicate certain medical conditions or infections.

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  • 24. 

    _______ and _______ carry out phagocytosis of foreign and harmful substances.

    Correct Answer
    Neutrophils and monocytes
    Monocytes and neutrophils
    Explanation
    Neutrophils and monocytes are both types of white blood cells that are capable of phagocytosis, which is the process of engulfing and destroying foreign and harmful substances in the body. Neutrophils are the most abundant type of white blood cell and are often the first to arrive at a site of infection or injury. Monocytes are larger cells that can differentiate into macrophages, which are also involved in phagocytosis. Both neutrophils and monocytes play important roles in the immune response by eliminating pathogens and promoting tissue repair.

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  • 25. 

    _______ are capable of ingesting only small particles, where as ______ can engulf relatively large substances.

    Correct Answer
    Neutrophils, monocytes
    Explanation
    Neutrophils are capable of ingesting only small particles, such as bacteria, while monocytes can engulf relatively large substances, such as dead cells and debris. This is because neutrophils are specialized in phagocytosis of small particles, while monocytes have a larger size and greater phagocytic capacity, allowing them to engulf larger substances.

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  • 26. 

    __________ are filled with digestive enzymes that are capable of breaking down organic molecules sucha as bacterial cell membranes.

    Correct Answer
    Lysosomes
    Explanation
    Lysosomes are organelles that contain digestive enzymes capable of breaking down organic molecules such as bacterial cell membranes. These enzymes help in the process of digestion and waste removal within the cell. Lysosomes play a crucial role in maintaining cellular homeostasis and are responsible for the degradation of various cellular components, including foreign substances and damaged organelles.

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  • 27. 

    Which type of leukocyte helps to control allergic reactions and are important in the defense against large multicellular parasites such as tapeworms and hookworms?

    • A.

      Neutrophils

    • B.

      Basophils

    • C.

      Eosinophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    C. Eosinophils
    Explanation
    They are only weakly phagocytic. Their primary mode of attack involves exocytosis of toxic compounds onto the surface of their target

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  • 28. 

    _______ is a chemical released during allergic reactions.

    Correct Answer
    Histamine
    Explanation
    Histamine is a chemical released during allergic reactions. It is produced by the body's immune system in response to an allergen, such as pollen or pet dander. Histamine causes a variety of symptoms, including itching, sneezing, nasal congestion, and hives. It plays a key role in the inflammatory response and is responsible for the characteristic symptoms of allergies. Antihistamines are commonly used to block the effects of histamine and provide relief from allergy symptoms.

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  • 29. 

    __________ is a powerful anticoagulant which prohits blood clotting.

    Correct Answer
    Heparin
    Explanation
    Heparin is a powerful anticoagulant that inhibits blood clotting. It works by interfering with the formation of blood clots, preventing them from becoming larger or forming new ones. Heparin is commonly used in medical settings to prevent blood clots in patients at risk, such as those undergoing surgery or with certain medical conditions. It is administered through injections and closely monitored to ensure the appropriate dosage is given for each individual.

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  • 30. 

    _________ release heparin and their granules may also contain and release histamine which promotes inflammation. Other chemicals released by these cells attract other white blood cells to the area.

    • A.

      Eosinophils

    • B.

      Basophils

    • C.

      Neutrophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    B. Basophils
    Explanation
    Basophils release heparin and their granules may also contain and release histamine which promotes inflammation. This makes them an important component of the immune response and inflammation process. Basophils also release other chemicals that attract other white blood cells to the area, further enhancing the immune response.

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  • 31. 

    __________ are involved with the mechanisms of immunity. They are involved with antibody formation which act against various foreign substances entering the body.

    • A.

      Neutrophils

    • B.

      Eosinophils

    • C.

      Basophils

    • D.

      Monocytes

    • E.

      Lymphocytes

    Correct Answer
    E. Lymphocytes
    Explanation
    Lymphocytes are involved with the mechanisms of immunity and play a role in antibody formation. They are responsible for producing antibodies that act against various foreign substances entering the body. Lymphocytes are a type of white blood cell and are a critical component of the immune system, helping to defend the body against infections and diseases.

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  • Mar 21, 2023
    Quiz Edited by
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