11 Questions
Which type of granular leukocyte is characterized by pinkish/purple cytoplasmic granules and 2-5 nuclear lobes?
Basophils
What is the relative percentage of Neutrophils in total WBCs in patients with active infectious processes?
60%
Which granular leukocyte is essential for responses to parasitic infections and allergic reactions?
Basophils
What do Eosinophils contain that make them important for responding to parasitic infections?
Reddish granules
Which type of granular leukocyte is primarily implicated in allergic reactions?
Eosinophils
Which of the following statements about lymphoid cells is correct?
Lymphoid cells arise from a common pluripotent stem cell in the bone marrow.
What is the primary function of monocytic cells?
Phagocytosis of cellular debris and foreign particles.
Which of the following is true about dendritic cells?
They are found mainly at potential sites of microbial entry, such as the skin, lungs, and gastrointestinal tract.
Which of the following statements about monocytes/macrophages is correct?
They spend 1-2 days in circulation as monocytes before migrating into tissues as macrophages for several months.
Which of the following is used to classify leukocytes (white blood cells)?
The presence or absence of granules in the cytoplasm.
What is the primary function of NK lymphocytes?
Killing abnormal host cells, such as those infected or malignant.
Test your knowledge of leukocytes, the soldiers of the immune system, their classification based on morphology, nucleus lobes, and presence of granules. Learn about the common origin of leukocytes from a pluripotent stem cell in the bone marrow.
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