Dysfunctions of the Immune System Flashcards
Do infectious diseases declined where vaccination rates are high
Yes
What is herd immunity
If they all got the jab then I don’t have to
What there is more herd immunity what are there more of
Outbreaks, measles, mupmps
What diseases are we still tyring to make vaccines for
AIDS, malaria, TB
What is an emerging infectious disesase
Newly indentifies in a population
What is a re-emerging infectious disease
Previously under contol
How does re-emerging infectious diseases happen
No consistence in vaccinations, drug resistance
What is type I hypersensitivity
Allergic reactions
What are allergic reactions caused by
Allergens, develop IgEs
What are the complications of allergic reactions
Anaphylaxis (over reaction)
What are some common allergic situations
Hay fever, food allergies, atopic dermatitis, asthma
What can anaphylaxid lead to
shock
What happens in anaphylaxis
Life-threatening, decreased BP from HISTAMINE, AIRWAY obstruction, HYPOXIA, EDEMA
What does histamine do
Vasodialator, increases HR and premeability
What are the common causes of anaphylexia
Latex, insects, nuts, shellfish, drugs
What are the S+S of anaphylaxis
Itching, coughing, difficluty breathing, weakness, dizzy, edema, FEAR, hives, collapse
What is the treatment of anaphylaxis
First aid, EPIPEN, 9-1-1
What is the treatment of anaphylaxis in the ER
epi, glucocorticoids, antihistamines, O2, stablize BP
Why give glucocorticoids for anayphylaxis
Reduces immune functions
Why give antihistamines
vasoconstrict
What are autoimmune disorders caused by
Develope antibodies aginst OWN cells, loss of self-TOLERANCE
Do autoimmune disorders affect just single organs
Yes and no
What is systemic lupus erythematosus (SLE)
Chronic inflammatory disease that affects alot of ORGANS