ch 20 pt 2

Question 1

What are the 3 types of arteries?

Answer 1

Elastic arteries, muscular arteries, arterioles

Question 2

What are elastic (conducting) arteries?

Answer 2

Largest; Conduct blood from heart to muscular arteries

Question 3

Where is elastic arteries located?

Answer 3

Aorta and pulmonary trunk

Question 4

What is muscular (distributing) arteries?

Answer 4

Medium; distribute blood to specific body region

Question 5

Internal elastic lamina

Answer 5

Between tunica intima and tunica media

Question 6

External elastic lamina

Answer 6

Between tunica media and tunic externa

Question 7

What is arterioles?

Answer 7

Smallest; thin endothelium and single layer smooth muscle

Question 8

What is vasomotor tone?

Answer 8

Regulate systemic blood pressure and blood flow

Question 9

What is atherosclerosis?

Answer 9

Progressive disease of elastic and muscular arteries

Question 9

What causes atherosclerosis?

Answer 9

Infection, trauma, or hypertension

Question 10

What is hypercholesterolemia?

Answer 10

Increased cholesterol in the blood

Question 11

What causes hypercholesterolemia?

Answer 11

Smoking and hypertension

Question 12

What is angioplasty?

Answer 12

To expand narrowed region of artery

Question 13

What is aneurysm?

Answer 13

Part of arterial wall thins and ballons out

Question 14

What causes aneurysm?

Answer 14

Aging