Atherosclerosis

Question 1

1

Answer 1

Endothelium is damaged
- High blood pressure
- Toxins from cigarette smoke

Question 2

2

Answer 2

Inflammatory response occurs

Question 3

3

Answer 3

White blood cells move into the artery wall to repair the damage

Question 4

4

Answer 4

Artery wall thickens and accumulates cholesterol, forming a fatty deposit (atheroma) beneath the endothelium

Question 5

5

Answer 5

Calcium salts and fibrous tissue start building up, causing a hard swelling (plaque)

Question 6

6

Answer 6

Plaques narrow the lumen, causing higher blood pressure and setting up a positive feedback loop

Question 7

7

Answer 7

Blood comes into contact with collagen and forms a blood clot (thrombosis)

Question 8

8

Answer 8

Blood clot may block the artery, starving the cells of oxygen, or break away and block a smaller arteriole (embolism)