Robbins chapitre 4 Flashcards
1
Q
How long does it take for necrosis to show microscopically?
A
4-12 hours
2
Q
Definition of shock
A
circulatory failure that impairs tissue perfusion and leads to hypoxia
3
Q
GRAM + or GRAM - causes most often sepsis?
A
GRAM +
4
Q
Which molecule blunts the vasomotor response in shock, causing vasodilatation instead of compensory vasoconstriction?
A
lactic acid
5
Q
Which are the major types of shock:
A
cardiogenic hypovolemic, septic (and systemic inflammatory response syndrome, caused by burns, trauma, pancreatis, so non microbial insults)
Less frequent: neurogenic (spinal cord injury) and anaphylactic
6
Q
Give 3 roles of thrombin in hemostasis and cellular activation (what they activate, what they deposit…)
A
- deposition of fibrin and platelet aggreggation on endothelial injury
- neutrophil adhesion
- monocyte activation
- lymphocytes activation
- endothelial activation
7
Q
A
8
Q
Name two proteins that activate platelets
A
Thrombin and ADP
9
Q
A
10
Q
A
