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Steps Combating Pathogen Invasion - lecture

12 Questions

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Steps Combating Pathogen Invasion - lecture

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Questions and Answers

What is the first line of defense against pathogen invasion?

Antibodies

Resident tissue macrophages (correct)

Complement molecules

Tissue repair

Which molecules mark bacteria for destruction?

Cytokines

Chemotaxins

Histamine

Complement molecules (correct)

What is the purpose of increased capillary permeability and localized edema?

To prevent leukocyte migration

To cause pain

To promote tissue repair

To allow leukocyte migration (correct)

What is the role of cytokines in the immune response?

To promote tissue repair Signup and view all the answers

Which leukocytes are involved in the destruction of bacteria?

Macrophages Signup and view all the answers

What are the four symptoms mediated by cytokines during the immune response?

Heat, redness, swelling, pain Signup and view all the answers

What is the process of cleaning up and tissue repair called?

Phagocytosis Signup and view all the answers

What is the function of chemotaxins?

To promote leukocyte migration Signup and view all the answers

What type of response is the immune response to foreign invasion or tissue damage?

Nonspecific Signup and view all the answers

Which cytokines are released by resident tissue macrophages?

TNF and IL-1 Signup and view all the answers

What is the role of histamine during the immune response?

To increase capillary permeability Signup and view all the answers

What is the process by which leukocytes move towards the site of infection or tissue damage called?

Chemotaxis Signup and view all the answers

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