3.6 Flashcards
1
Q
What variables affect blood flow and blood pressure?
A
- Peripheral resistance
- Cardiac output
2
Q
What is conductance in terms of blood pressure?
A
The reciprocal of resistance
3
Q
What factors influence peripheral resistance?
A
- Viscosity of blood
- Length of vessel
- Diameter of vessel
- Pressure within vessel
4
Q
Where can lipid soluble substances diffuse through capillaries?
A
Anywhere; they’re lipophilic
5
Q
Where can water-soluble things diffuse through capillaries
A
Intercellular clefts between capillary endothelium (where present)
6
Q
Describe the net force (inward/outward) in arteries vs veins
A
Arteries: Outward
Veins: Inward
7
Q
MAP equation
A
1/3SBP + 2/3DBP
