Veins

Question 1

Veins carry blood _____ the heart?

Answer 1

TOWARD

Question 2

Veins are layered by

Answer 2

Tunica Media

Tunica Adventitia

Question 3

Are veins well developed?

Answer 3

No, veins are not as well developed as they are in arteries (wimpy vessels)

Question 4

Veins have no…

Answer 4

NO internal elastic lamina

Question 5

Veins are located

Answer 5

in neurovascular bundles

Question 6

Veins are characterized

Answer 6

1. capacitance vessels: hold over 70% of circulation blood volume (more laid back w/circulating blood back)
2. more variable than arterial side
3. potential for spread of infection
4. valves arise from tunica intima
   however. …we don’t have valves in our head and neck region (spread of infection easier)