How do Eosinophils provide protective immunity against parasites ? A. By secreting antibodies B. By causing cell-mediated lysis of parasites C. By causing activation of macrophages D. By causing parasite lysis through ADCC E. By causing B cell transformation to plasma cells

How do Eosinophils provide protective immunity against parasites ? A. By secreting antibodies B. By causing cell-mediated lysis of parasites C. By causing activation of macrophages D. By causing parasite lysis through ADCC E. By causing B cell transformation to plasma cells

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter34: Immunity

Section: Chapter Questions

Problem 13SA

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Concept explainers

Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.

Question

How do Eosinophils provide
protective immunity against parasites ?
A. By secreting antibodies
B. By causing cell-mediated lysis of
parasites
C. By causing activation of macrophages
D. By causing parasite lysis through
ADCC
E. By causing B cell transformation to
plasma cells

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