Acute Inflammation I, II, & III Flashcards
What are the 5 signs of inflammation?
- Redness
- Heat
- Swelling
- Pain
- Loss of function
What are the roles of inflammation?
- Dilute, contain and isolate injury
- Destroy invading microorganisms and/or activate toxins
- Achieve healing and repair
What are the 3 different outcomes of inflammation?
- Return to normal
- Intense inflammatory response
- Failure to eliminate
What is formed during an intense inflammatory response?
Capsule of fibrous CT
What will happen in failure to eliminate insult?
- Persistence of inflammatory cells
2. Scar formation
T/F: inflammation can occur in dead tissue
False, only in living tissue
Inflammation leads to the accumulation of fluid and WBCs in what type of tissue?
Extravascular tissues
What process is inflammation closely associated with?
Repair
What is exudation?
Escape of fluid, proteins, and blood cells from vascular system into interstium or body cavities
What are 3 properties of exudate?
- High protein concentration
- Cellular debris
- High specific gravity
What are two features of transudate?
- Low protein content
2. Low specific gravity
What is pus?
Inflammatory exudate rich in leukocytes and parenchyma cell debris
What are 7 types of exudate?
- Serous
- Fibrinous
- Suppurative
- Granulomatous
- Serofibrinous
- Firbrino-purulent
- Purulent
What are the main characteristics of peracute inflammation?
- Cause by potent stimulus
- Usually no time to respond
- Less common then acute
What are some general features of peracute inflammation?
- Short time
- Vascular involvement
- Inflammatory cells
- Shock, sudden death
Infectious canine hepatitis is a main example of what type of inflammation?
Peracute inflammation
What type of cells are predominant in acute inflammation?
Neutrophils
Lymphadenitis occurs in what type of inflammation?
Acute, subacute, and chronic
What is lymphangitis?
Inflammation of lymphatic vessels
T/F: Fibrosis and neovascularization are features of subacute inflammation
False, they are not features