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Ch. 12 - Adaptive Immunity
Norman-McKay- Microbiology: Basic and Clinical Principles 2nd Edition
Norman-McKay2nd EditionMicrobiology: Basic and Clinical PrinciplesISBN: 9780137661619Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoNorman-McKay 2nd EditionCh. 12 - Adaptive ImmunityProblema 8
Capitolo 8, Problema 8

T helper cells activate B cells to become ________________, which make ________________.

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1
Understand the role of T helper cells in the immune response: T helper cells assist other immune cells by releasing cytokines that activate B cells.
Recall that when B cells are activated by T helper cells, they differentiate into plasma cells.
Recognize that plasma cells are specialized cells that produce antibodies.
Therefore, fill in the blanks by identifying that T helper cells activate B cells to become plasma cells, which make antibodies.
Summarize the process: T helper cells → activate B cells → B cells become plasma cells → plasma cells produce antibodies.

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T Helper Cells

T helper cells are a type of white blood cell that play a crucial role in the immune response by activating other immune cells, including B cells. They recognize antigens presented by antigen-presenting cells and release cytokines that stimulate B cell activation and differentiation.
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Review of Cytotoxic vs Helper T Cells

B Cell Activation

B cell activation occurs when B cells encounter their specific antigen and receive signals from T helper cells. This activation triggers B cells to proliferate and differentiate into plasma cells or memory B cells, enabling an effective adaptive immune response.
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B cell Receptors

Plasma Cells and Antibody Production

Activated B cells differentiate into plasma cells, which are specialized for producing and secreting large amounts of antibodies. These antibodies bind to specific antigens, neutralizing pathogens or marking them for destruction by other immune cells.
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Antibodies
Pratica correlata
Domanda del libro di testo

Choose the false statement about T cytotoxic cells.

a. They stimulate B cells

b. They destroy virus-infected cells

c. They destroy cancer cells

d. They are activated by MHC I bound to antigens on APCs

e. They mediate the cellular branch of adaptive immunity

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Where do T cells undergo self-tolerance selection?

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Why are packed red blood cells not tissue typed? Select all that apply.

a. Red blood cells lack MHC II

b. Red blood cells lack MHC I

c. Red blood cells can’t stimulate an immune response

d. Red blood cells aren’t transferred to others

e. Red blood cells don’t make antibodies and therefore do not need to be typed

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Domanda del libro di testo

Compare and contrast T-dependent and T-independent antigens.

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Which of the following does not generate long-term immunological memory? Select all that apply.

a. Antivenom

b. Antitoxins

c. Vaccinations

d. Breast-feeding

e. Antigens

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Domanda del libro di testo

Complete the table to indicate which MHCs are present for each cell.

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