Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.
__________ Lymphocytes with CD8 glycoprotein are helper T cells.

검증된 단계별 안내

Identify the key terms in the statement: 'Lymphocytes with CD8 glycoprotein' and 'helper T cells'.

Recall that lymphocytes expressing the CD8 glycoprotein are actually cytotoxic T cells, not helper T cells.

Determine that the statement is false because CD8+ lymphocytes are cytotoxic T cells, while helper T cells express CD4 glycoprotein.

Rewrite the false statement by replacing 'helper T cells' with 'cytotoxic T cells' to make it true: 'Lymphocytes with CD8 glycoprotein are cytotoxic T cells.'

Understand the functional difference: CD8+ cytotoxic T cells directly kill infected cells, whereas CD4+ helper T cells assist other immune cells.

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Types of T Lymphocytes

T lymphocytes are a type of white blood cell critical for adaptive immunity. The two main types are helper T cells (CD4+) and cytotoxic T cells (CD8+). Helper T cells assist other immune cells, while cytotoxic T cells directly kill infected or abnormal cells.

CD4 and CD8 Glycoproteins

CD4 and CD8 are surface glycoproteins that distinguish T cell subsets. CD4 is expressed on helper T cells, which coordinate immune responses, whereas CD8 is found on cytotoxic T cells, which target and destroy infected cells.

Role of Helper T Cells

Helper T cells (CD4+) regulate immune responses by activating other immune cells like B cells and macrophages. They do not directly kill infected cells but enhance the immune system's ability to respond effectively.

Mark each statement as either true or false. Rewrite false statements to make them true by changing the underlined words.__________ Lymphocytes with CD8 glycoprotein are helper T cells.