Acute Inflammation Flashcards
Define inflammation
A response to micro-organisms and other harmful agents causing tissue injury.
The body’s process of fighting against things that harm it.
What is an increase of blood flow to an area called?
Hyperaemia
What is the role of chemical mediators which are released?
Increases permeability of endothelial cells and basement membrane of the blood vessels.
True or false:
inflammation always means infection.
False
Inflammation does not necessarily mean infection.
True or false:
Infection does not always produce inflammation.
True
Classify the kinds of Infective agents in acute inflammation.
Bacterial (pyogenic or granulomatous) Viral Fungal Parasitic Helminths (worms)
Name the causes of tissue injury.
Physical agents Lack of nutrients Toxins Infective agents & parasites Immune reactions Genetic defects
How does the local response attempt to contain the insult?
Through-various organisms, by toxins and therapeutic interventions.
True or false:
avascular tissues experience a limited inflammatory reaction.
True
Due to few blood vessels.
Name the cardinal signs of inflammation.
Redness Heat Pain Swelling Loss of function
What are the two phases of acute inflammation.
Vascular phase and cellular phase.
What processes take place in the vascular phase of acute inflammation?
Hyperaemia
Increased permeability of blood vessels
Chemical mediators
Which particles are released by injured tissue and leads to an immediate increase in the vascular permeability.
Cytokines
