Local Infection Flashcards
(18 cards)
If pathogens breach body’s first line of defense, they can _ causing infection
Multiply in tissue
When pathogen multiplies and causes infection, body produces _
Inflammation
Inflammation prevents _
Spread of infection
If sufficient number of pathogens enter body’s first line, they will (2)
Release toxins
Damage cells
Pathogens release toxins and cause enough damage to cells for _
Local blood vessels to dilate
Dilated blood vessels cause _
Increased blood flow to effected area
Blood flow to affected area gives rise to _ in local area (2)
Redness
Increased temp
(Inflamed)
In addition to inflammation, _ causes local area to swell
Watery fluid leaks out of blood vessels
Increased blood flow increases _ to area
White blood cells
Usually _ enough
White blood cells to area
If infection particularly severe, body will form a _ around infected area
Wall of fibrous tissue
Wall of fibrous tissue keeps infection localized while it is brought into contact with _
Immune system
_ may build up in area
Pus
Pus is composed of dead white blood cells, body cells _ and _
Bacteria
Debris