Mechanisms Of Disease Flashcards
0
Q
What are the four types of hypoxia?
A
Hypoxaemic
anaemic
ischaemic
histiocytic
1
Q
Give 8 causes of cell injury and death?
A
Hypoxia heat cold trauma radiation Microorganisms Immune mechanisms toxins
2
Q
Define hypoxia
A
When the body or tissues Are deprived of oxygen
3
Q
What are the two immune mechanisms which may cause cell injury?
A
Hypersensitivity reactions
Autoimmune reactions
4
Q
Define necrosis.
A
Morphological changes that follow cell death in living tissue due to progressive degradative actions of enzymes On lethally injured cells.
5
Q
Give 4 types of necrosis
A
Coagulative necrosis
liquefactive necrosis
caseous necrosis
Fat necrosis
6
Q
What is gangrene?
A
Necrosis that is visible to The naked eye.
7
Q
Describe coagulative necrosis?
A
Cellular architecture preserved leaving ghost outlines
Tissue is solid
Generally following infarcts
