Immunity Flashcards
Leukocytes/WBC
White Blood Cells
What do WBCs Do?
Attack/destroy anything foreign
Nurses role in Immunity
Prevent Diseases, Promote and Maintain Health Teach and Educate
Define
Immunity
Body’s Natural or induced Response to Infection
Define
Antigens
Foreign Substance that trigger the immune Response
Define
Immunocompetent
Immune Systems that identify antigens and effectively destroys/remove them
Define
Hypersensitivity
Overreaction of the immune system to an antigen
Define
Immunodeficiency
Develops when the immune system is incompetent or unable to respond effectively
Define
Autoimmune Disorders
The immune System loses the ability to recognize its own tissue and begins to attack them.
Define
Opportunistic Infections
Infections that would not normally affect people with intact immune systems.
Active Immunity
Occurs through:
-Exposure to Disease
-Vaccination
Is long lasting and takes several weeks to develop
Passive Immunity
Occurs Through receiving antibodies from another person :
-Mother to Newborn(placenta or breast milk)
-Blood Products
Is immediate protection, lasts only weeks or months
Immunity Non-Modifiable Risk Factors
-Genetics
-women > Men
-Age
Organ/Tissue Transplant
Immune Deficiencies
-Child is at greater risk of allergies if parents or older siblings have them
Immunity Modifiable Risk Factors
-Stress
-Poor Sleep
-Non-Immunized
-Nutrition
-Poor Hygiene
-Alcohol/Drugs/Cigarettes
-IV drug use/ Risky Social Behaviors
-Poor tissue Integrity
When do Immunizations start?
When trans placental immunity decreases (2-18 months depending on the vaccine )