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Questions and Answers
What is the primary function of lymphocytes in the innate immune system?
What is the primary function of lymphocytes in the innate immune system?
- To migrate into tissues and act as macrophages
- To kill abnormal host cells that are infected or malignant (correct)
- To phagocytose and degrade foreign cells and particles
- To synthesize immunoglobulins and antibodies
Which type of leukocyte is characterized by the presence of granules in its cytoplasm?
Which type of leukocyte is characterized by the presence of granules in its cytoplasm?
- Granulocytes (correct)
- Lymphoid cells
- Agranular leukocytes
- Monocytic cells
What is the primary function of dendritic cells in the innate immune system?
What is the primary function of dendritic cells in the innate immune system?
- To sample extracellular fluids by macropinocytosis (correct)
- To phagocytose and degrade foreign cells and particles
- To migrate into tissues and act as macrophages
- To synthesize immunoglobulins and antibodies
What is the main difference between monocytes and macrophages?
What is the main difference between monocytes and macrophages?
Which type of lymphocyte is responsible for the production of antibodies?
Which type of lymphocyte is responsible for the production of antibodies?
Why are dendritic cells not typically observed in peripheral blood smears?
Why are dendritic cells not typically observed in peripheral blood smears?
What is the common origin of all types of leukocytes in the innate immune system?
What is the common origin of all types of leukocytes in the innate immune system?
Which type of white blood cells have multilobed nuclei and cytoplasmic granules?
Which type of white blood cells have multilobed nuclei and cytoplasmic granules?
What percentage of total white blood cells do neutrophils typically constitute?
What percentage of total white blood cells do neutrophils typically constitute?
Which type of white blood cells have dark purplish black granules containing histamine?
Which type of white blood cells have dark purplish black granules containing histamine?
What is the primary function of eosinophils?
What is the primary function of eosinophils?
Which white blood cells are effective at killing bacteria and increase significantly in acute infections?
Which white blood cells are effective at killing bacteria and increase significantly in acute infections?
How do basophils differ from eosinophils?
How do basophils differ from eosinophils?
In what type of infection are eosinophils particularly important?
In what type of infection are eosinophils particularly important?
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