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BMD 430: Chapter 17 - Infectious Disease and Vaccines Practice Questions and Answers $12.49   Add to cart

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BMD 430: Chapter 17 - Infectious Disease and Vaccines Practice Questions and Answers

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BMD 430: Chapter 17 - Infectious Disease and Vaccines Practice Questions and Answers Vector Borne Infections - ANSWER-*Infections that require a 3rd party (vector) to help them circumvent the immune system, e.g. ,mosquitoes - vehicle for disease to get from point A to point B * - Genetically-...

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  • November 12, 2024
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EmilyCharlene
BMD 430: Chapter 17 - Infectious
Disease and Vaccines Practice
Questions and Answers

Vector Borne Infections - ANSWER✔✔-*Infections that require a 3rd party (vector) to

help them circumvent the immune system, e.g. ,mosquitoes - vehicle for disease to get

from point A to point B *


- Genetically-modified mosquitos?


Location and Infection - ANSWER✔✔-- Different types of infections can reside in

different parts of the body


- Where it goes into body influences what kind of immune response


TH2 Responses at Mucosal or Barrier Tissues - ANSWER✔✔-1) The majority of

pathogens that we encounter enter our bodies through the mucosa - eat, breathe in,

STDs, cuts in skin


2) The GI Tract: Pathogens must be eliminated without disturbing the balance between

us and commensal bacteria




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, 3) Most pathogens that reside near body surfaces are effectively countered by a TH2

response:


- Innate lymphoid cells 2 (ILC2)


- TH2 cytokines (IL-4 and IL-13)


- High levels of IgE (for parasites)


-- High levels of Mast cells, basophils, eosinophils (FcεRs)


- Dimeric IgA (dIgA): important in maintaining barrier integrity


-- Can aid in neutralization, which will lessen inflammation


Extracellular Pathogens Controlled by what TH responses? - ANSWER✔✔-*TH2 and

TH17 Responses*


1) Once invading pathogens enter the body, they may either enter cells or remain

extracellular


2) Extracellular pathogens will either remain local or spread via the

bloodstream/lymphatic system


3) Immune mediators at each microenvironment are likely to differ from one another


- PRRs


- Complement


- Antimicrobial compounds

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