Disease And Immune System Flashcards
Summary
Factors affection transmission of disease
▪▪▪
Living conditions
Social factors ( income, area etc.)
Climate
Animal defences
▪▪▪▪
Skin
Blood clotting / wound repair
Mucus membranes
Inflammation
Expulsive reflexes
What is inflammatory response caused by
Damaged mast cells releasing histamines
Agglutinating pathogens
Clumps pathogen together before engulfing
Neutralising toxins
Anti toxins bind to pathogen
Opsonisation
Opsonins bind to antigen to help identify it
Active immunity features
▪▪▪▪
Requires exposure to antigen
Takes time for protection to develop
Long term protection
Memory cells produced
Passive immunity
▪▪▪▪
No exposure to antigen
Immediate Protection
Short term protection
No memory cells produced