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12 Sep 2018

A) What type of cells express pattern recognition receptors (PRRs)? B) What is the primary role of PRRs in early host defense?

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Sixta Kovacek
Sixta KovacekLv2
14 Sep 2018

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Related questions

1-mucus in the mucus membrane is an example of the ? first orsecond or third line of defense

2-which of the following is not a first line of defense? skin ortears or saliva or fever

3-what type of cell leaves the bloodstream and matures into amacrophage? monocyte or lymphocyte or eosinophil

4- which blood cells scan for _____ on the surface of pathogenicmicrobes? PRRs or PAMPs or PMNs

5-fixed macrophages that are found in the lung are called?alveolar or lymphocyte or eosinophil

6-during ingestion pesudopods of a phagocyte fuse surronding themicroorganism in a (n)? phagosome or granule or inclusion bod orhistiocyte

7-interferons are produced by certain animal cells are afterbeing infected by? protozoa or bacteria or virses

8-when macrophages ingest microorganism they fuse with thisorganelle to destory the infectious agent? chloroplast or lysosomeor endoplasmic reticlum

9-chemicals realsed by defensive cells that regulate intensityand duration of immune response are called ? antibodies orcytokines or peroxides

10-which is not a benefit of fever? reduce iron availability topathogens or ill temp sensetive infectious agent or tachyecadia

1-mucus in the mucus membrane is an example of the ?

a- first

b-second

c-third line of defense

2-which of the following is not a first line of defense?

a- skin

b- tears

c- saliva or fever

3-what type of cell leaves the bloodstream and matures into amacrophage?

a- monocyte

b- lymphocyte

c-eosinophil

4- which blood cells scan for _____ on the surface of pathogenicmicrobes?

1- PRRs

2- PAMPs

3- PMNs

5-fixed macrophages that are found in the lung are called?

a-alveolar

b- lymphocyte

c-osinophil

6-during ingestion pesudopods of a phagocyte fuse surronding themicroorganism in a (n)?

a-phagosome

b- granule

c- inclusion bod

d- histiocyte

7-interferons are produced by certain animal cells are afterbeing infected by?

a-protozoa

b- bacteria

c- virses

8-when macrophages ingest microorganism they fuse with thisorganelle to destory the infectious agent?

a- chloroplast

b- lysosome o

c-endoplasmic reticlum

9-chemicals realsed by defensive cells that regulate intensityand duration of immune response are called ?

a-antibodies

b- cytokines

c-peroxides

10-which is not a benefit of fever?

a-reduce iron availability to pathogens

b- ill temp sensetive infectious agent

c- tachyecadia

Q17 cellular receptors are commonly used for:

A. none

B all

C immune cell activation

D adhesion

E cellular interactions

Q18. The role of viral fusion peptides is to:

A mediate the recognition of viral nucleic acids and host cell polymerases during the replication phase of the viral replication cycle.

B mediate the recognition of viral attachment proteins and host cell receptor proteins during the recognition phase of the viral replication cycle.

C mediate the fusion of viral membranes and host cell membranes during the entry phase of the viral replication cycle.

D mediate the fusion of replicated and assembled viral particles and host cell membrane during the egress phase of the viral replication cycle

Q22 Most enveloped viruses exit the cell by the following process

A cell lysis

B exocytosis

C budding

D Golgi transport.

E cytokinesis.

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