IgCP Exam – Basic Immune System | Study Guide, Practice Questions & Exam Review

IgCP Exam – Basic Immune System | Study Guide, Practice Questions & Exam
Review


Innate Immune System - What is it? - correct answer ✔✔A collection of nonspecific barriers and
cellular responses that serve as an INBORN first and second line of defense against pathogens



Innate Immune System - What is it comprised of? - correct answer ✔✔Cells, barriers or
environments that work together:

* Skin

* Lysozyme in tears

* Acid in stomach

* Cilia & Mucous in respiratory tract

* Phagocytes

* Neutrophils

* Dendritic cells

* Macrophages

* Interferon

* Etc.*



Innate Immune System - how fast is it activated - correct answer ✔✔Ready for action PRIOR to
attack by pathogen



Acquired Immune System - what is it? - correct answer ✔✔* Part of the immune system that
GROWS as you ar

exposed to a variety of disease causing pathogens by

creating a MEMORY of the pathogens when you are

exposed to them

, * Complex



* Higher specificity and control



Acquired Immune System - also know as? - correct answer ✔✔Adaptive Immune System



Acquired Immune System - How does it respond? - correct answer ✔✔Provides highly specific
defenses against pathogens



Acquired Immune System - speed of response on first exposure? - correct answer ✔✔More
Slowly



Acquired Immune System - speed of response on subsequent exposure? - correct answer ✔✔*
Faster



* Defenses adapt and provide MEMORY for faster

response on subsequent exposure/invasion by the

same pathogen



Acquired Immune System - what cells are involved? - correct answer ✔✔White Blood Cells
(WBC)

* T Cells

* B Cells



Acquired Immune System - where are T & B Cells derived from? - correct answer ✔✔Stem cells
in bone marrow