100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
BIOS 255 - Final Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED). $11.49   Add to cart

Exam (elaborations)

BIOS 255 - Final Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).

 4 views  0 purchase
  • Course
  • BIOS 255
  • Institution
  • BIOS 255

BIOS 255 - Final Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).

Preview 3 out of 26  pages

  • September 10, 2024
  • 26
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • bios 255 final
  • BIOS 255
  • BIOS 255
avatar-seller
LECTDERRICK
BIOS 255 - Final
What are the 2 types of immune response?
Innate Immunity and Adaptive Immunity


Which lines of defense make up innate immunity?
1st and 2nd line of defense




0:05
/
0:15
Innate Immunity characteristics
Non-specific resistance
Present at birth
1st & 2nd line of defense


What is the 1st line of defense?
Skin & Mucous Membranes


What is the 2nd line of defense?
Internal Defenses


The 1st line of defense is made up of what 2 types?
Mechanical Defense & Chemical Defense


What are the mechanical defenses in innate immunity
skin
mucous membranes
tears
saliva
mucus
cillia
epiglottis
urine

,defecating
vomiting


What are the chemical defenses in innate immunity
sebum
lysozyme
gastric juices


What makes up the internal defenses of innate immunity
antimicrobial proteins
natural killer cells
Fever
Phagocytes
Inflammation
Complement system
Interferons (IFN)


steps of phagocytosis
chemotaxis
Adherence
Ingestion
Digestion
killing


What happens in inflammation?
redness/pain/heat/swelling
Vasodilation & increase permeability of blood vessels
phagocytes migrate from blood to injury
PRISH


What do interferons do?
protect the uninfected host cell from viral infection


adaptive immunity definition
ability of body to defend itself against specific invading agents


adaptive immunity characteristics

, Specific immunity
has both specificity and memory
2 types


what are the 2 types of adaptive immunity
cell mediated and antibody mediated


What is Cell Mediated Immunity
Specific immunity that only uses T cells


antibody-mediated immunity
produces antibody B cells in response to antigen. Either works alone or with Helper T cells
(humoral)


Immunogenicity
ability to provoke immune response


Reactivity
ability of antigen to react specifically to antibody it provokes


What are epitopes?
receptors on B & T cells
Binding site


B Cells in antigen processing
Recognize and bind to antigens in lymph, interstitial fluid and blood


T Cells in antigen processing
only recognize fragments of antigenic proteins (MHC)


What is antigen presentation?
the antigen-MHC complex is inserted into plasma membrane of body cell


Exogenous Antigen processing

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller LECTDERRICK. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82215 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$11.49
  • (0)
  Add to cart