Blood Vessels Structure And Function And Blood Components, Function And Disease

Question 1

What are the 5 main types of blood vessels?

Answer 1

Arteries
Arteriolar
Capillaries
Venules
Veins

Question 2

What 3 layers do the walls of the blood vessels have in common?

Answer 2

Tunica intima
Tunica media
Tunica externa

Question 3

Describe the Tunica intima

Answer 3

It is the inner most part of blood vessels
It contains epithelial lining, supportive connective tissue and sometimes has elastic fibres

Question 4

Describe the tunica externa

Answer 4

The outermost layer
It has connective tissue sheath for protection and has stabilising/anchoring system so our blood vessels are stuck to something

Question 5

What is the general appearance of a typical artery?

Answer 5

Usually round with relatively thick wall

Question 6

What is the general appearance of a typical vein?

Answer 6

Usually flattened or collapsed, with relatively thin wall

Question 7

What are arteries able to do?

Answer 7

Accommodate high pressure changes
Propel blood onwards
Even out pressure changes
Vasodilator and vasoconstriction in response t autonomic nervous system stimulation
Constrict following damage

Question 8

What can arteries be subdivided into?

Answer 8

Muscular or elastic

Question 9

Which type of artery tends to be big arteries?

Answer 9

Elastic

Question 10

Which type of artery is more abundant?

Answer 10

Muscular