100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
3: Innate Immunity II Exam Practice Questions and Answers $11.49   Add to cart

Exam (elaborations)

3: Innate Immunity II Exam Practice Questions and Answers

 0 view  0 purchase
  • Course
  • 2025 Practice Tests
  • Institution
  • 2025 Practice Tests

3: Innate Immunity II Exam Practice Questions and Answers What would happen if pathogens could cross the epithelial barriers? - ANSWER-There are many innate immune cells and molecules under the epithelium of skin or mucosa. These innate immune cells and proteins have the ability to destroy the ...

[Show more]

Preview 2 out of 5  pages

  • November 3, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • 2025 Practice Tests
  • 2025 Practice Tests
avatar-seller
KaylinHoffman
Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




3: Innate Immunity II Exam Practice

Questions and Answers


What would happen if pathogens could cross the epithelial barriers? - ANSWER✔✔-There are many

innate immune cells and molecules under the epithelium of skin or mucosa. These innate immune cells

and proteins have the ability to destroy the invaders at the cite of entry


Innate immune cells act as ____________ and immediately ___________ pathogens. - ANSWER✔✔-

Innate immune cells act as gate keepers and immediately recognize pathogens.


What is the site of hematopoetic activity in mammals after birth? - ANSWER✔✔-Bone marrow


What is another name for white blood cells? - ANSWER✔✔-Leukocytes


Name the types of leukocytes. - ANSWER✔✔-1. Granulocytes (polymorphonuclear): neutrophils,

eosinophils, basophils


2. Agranulocytes (mononuclear): lymphocytes (T cells, B cells, NK cells) and monocytes (macrophages

and dendritic cells)


Name the types of innate killing - ANSWER✔✔-1. Phagocytosis: a form of endocytosis


2. Direct cell cytotoxicity: infected or abnormal cells


3. Complement mediated killing


What cell types engage in phagocytosis? - ANSWER✔✔-1. Macrophages: big eaters


2. Neutrophils: microphages or small eaters

Copyright ©Stuvia International BV 2010-2024 Page 1/5

, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


3. Dendritic cells


4. B cells


What cell types engage in direct cell cytotoxicity? - ANSWER✔✔-1. Natural killer cells


2. Natural killer T cells


Phagocytosis - ANSWER✔✔-Material bound to cell surface receptors is internalized in phagosomes and

broken down in phagolysosomes


Antimicrobial mechanisms of phagocytes - ANSWER✔✔-- Acidification: bactericidal pH of 3.5-4


- Toxic oxygen-derived products


- Toxic nitrogen oxides


- Antimicrobial peptides: defensins and cationic proteins


- Enzymes: lysozyme (dissolved cell walls of some Gram-positive bacteria) and acid hydrolyses (further

digest bacteria)


- Competitors: lactoferrin (binds Fe) and vitamiin B12-binding protein


Macrophage functions - ANSWER✔✔-- Most abundant tissue leukocytes


- Derived from monocytes after they leave the blood


- Most efficient phagocytic cells


- Remove aged, damaged, or apoptotic cells


- Process and present antigens to T-cells


- Secrete a wide variety of cytokines that play important roles in innate and adaptive immune system


Copyright ©Stuvia International BV 2010-2024 Page 2/5

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 KaylinHoffman. 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)

84146 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