Veins Flashcards
1
Q
Veins carry blood _____ the heart?
A
TOWARD
2
Q
Veins are layered by
A
Tunica Media
Tunica Adventitia
3
Q
Are veins well developed?
A
No, veins are not as well developed as they are in arteries (wimpy vessels)
4
Q
Veins have no…
A
NO internal elastic lamina
5
Q
Veins are located
A
in neurovascular bundles
6
Q
Veins are characterized
A
- capacitance vessels: hold over 70% of circulation blood volume (more laid back w/circulating blood back)
- more variable than arterial side
- potential for spread of infection
- valves arise from tunica intima
however. …we don’t have valves in our head and neck region (spread of infection easier)