Differential Blood Count: Abundance of Leukocytes
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Questions and Answers

What is the typical shape of lymphocytes?

  • Square
  • Round (correct)
  • Irregular
  • Star-shaped

Which part of the lymphocytes occupies most of the cell?

  • Cell membrane
  • Nucleus (correct)
  • Cytoplasm
  • Mitochondria

How much of the cell's content is typically occupied by the nucleus in lymphocytes?

  • Less than 10%
  • A small fraction
  • Around 50%
  • Most of it (correct)

In what state is the cytoplasm of lymphocytes usually found?

<p>Scarce and hardly visible (A)</p> Signup and view all the answers

What distinguishes the nucleus of lymphocytes from other cell components?

<p>It is darker and more central (B)</p> Signup and view all the answers

Which of the following characteristics is NOT typical of lymphocytes?

<p>Big nucleus (D)</p> Signup and view all the answers

Study Notes

Formed Elements of Blood

  • Consist of cells and cell fragments
  • Include erythrocytes, leukocytes, and thrombocytes

Erythrocytes (Red Blood Cells)

  • Most common of the formed elements
  • Function: undefined in the provided text

Leukocytes

  • Least common of the formed elements
  • Types:
    • Monocytes
    • Lymphocytes
    • Basophils
  • Abundance: not specified in the provided text

Monocytes

  • Large, irregularly-shaped cells
  • Irregularly-shaped nucleus (not segmented or multi-lobed)
  • Light-colored cytoplasm, granules not visible
  • Some have vacuoles
  • Phagocytic when transformed into macrophages

Lymphocytes

  • Usually smaller, very round cells
  • Darker nucleus occupying most of the cell
  • Very little cytoplasm

Basophils

  • Large cells filled with deep-purple granules
  • Nucleus is not visible ("masked")

Platelets (Thrombocytes)

  • Function: undefined in the provided text

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Test your knowledge on the abundance of different types of leukocytes in the formed elements of blood. Identify which type of leukocyte is the least common among the formed elements.

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