Cardiovascular Flashcards
1
Q
From which branch of the aorta is the blood supply to the brain mainly derived?
A
Common carotid
2
Q
Starling’s law of capillaries
A
Hydrostatic and oncotic pressure differences across the vessel wall balance to determine movement of fluid.
3
Q
Preload
A
The filling pressure of the ventricle, approx equal to atrial pressure thus venous pressure.
4
Q
Roles of the lymphatic system
A
- Removal of XS water from the ISF
- Removal of infectious agents and dead cells
- Antigen presentation
- Movement of lymphatic cells
- Transport of some proteins
- Transport of dietary lipids from gut chylomicrons
5
Q
Active hyperaemia
A
Increase in blood flow brought about by an increase in metabolic rate.
