Blood pressure Flashcards
1
Q
What is blood pressure?
A
pressure on the walls of a vessel
2
Q
In what vessels does blood travel the fastest?
A
arteries
3
Q
What factors affect arterial blood pressure?
A
cardiac output, blood volume, peripheral resistance, viscosity
4
Q
What is the normal central venous pressure?
A
5-10 cm H2O. measured in vena cava
5
Q
What part of the nervous system controls blood vessel dilation?
A
sympathetic nervous system
6
Q
What is the hepatic portal system?
A
drains spleen, stomach, pancreas, gallbladder, and intestines
7
Q
what is the circle of willis
A
circulatory astomoses that supplies blood to the brain
