Nurs 214

Nurs 214 - AdaptiveImmunity AdaptiveImmunity NUR214...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
Adaptive Immunity Adaptive Immunity NUR 214
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Immune System Immune System Immune response occurs more slowly than  inflammation Distinguishes self from non-self Has memory so that it can confer long term  protection against foreign substances Foreign substances called  antigens
Background image of page 2
Types of Immunity Types of Immunity Natural Natural barriers – skin, mucosa Nonspecific- does not require prior contact with   entity to elicit response Examples Humans immune to distemper Dogs immune to measles
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Types of Immunity Types of Immunity Acquired Occurs after exposure to antigens Types Active  - is the development of antibodies in response  to stimulation by an  antigen Passive  - Once formed, those antibodies can be  removed from the host and transferred into another  recipient where they provide immediate passive  immunity. 
Background image of page 4
Acquired Immunity Acquired Immunity Active Individual generates  immune response after  exposure to foreign  antigen Basis of immunizations Passive “Borrows” immune  products from some  source other than self Maternal antibodies in  newborn (4-6 mos) Tetanus antitoxin Antivenoms Immunoglobulin's
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Immune System Immune System Identifies  Self  versus  Non-self
Background image of page 6
Self  Self  Self Every cell in your body  carry proteins that  identify it as belonging  to you Your immune cells  carry the same set of  protein markers Normally peaceful  coexistence
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Self: Self: Major Histocompatibility Complex Major Histocompatibility Complex     Every cell in body is  covered with MHC proteins  Also called HLA Issue in organ transplants Individuals carry different  sets (twins) MHC 1 - virtually all cells  except red blood cells 6 markers / 200 var MHC 2 -  only on dendritic, B-  cells, and macrophages 8 markers/ 230 var
Background image of page 8
Non-Self Non-Self Non-self Non-self trigger   antigen The distinctive marker  on an antigen that  stimulates immune  response is called an  epitope Antibody binds to  epitope of foreign cell
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/14/2011 for the course NUR 214 taught by Professor Criswell during the Spring '08 term at Purdue.

Page1 / 38

Nurs 214 - AdaptiveImmunity AdaptiveImmunity NUR214...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online