a. remain in the confines of the circulatory system
b. include berry aneurysms
c. can be fusiform or saccular
d. are produced by a leak at the junction of a vascular graft with a
natural artery
e. are commonly caused by syphilis
17. The most common cause of aortic dissection in the elderly
a. Hypertension
b. Marfan’s syndrome
c. Connective tissue disorders
d. Ischaemic heart disease
e. Aortic valvular disorders
18. Atherosclerosis
a. Is initiated by endothelial injury
b. Is a disease of the media of blood vessels
c. Predominantly involves arterioles
d. Is most common in the internal carotid arteries
e. Begins in middle age
19. Regarding atherosclerosis
a. The risk is directly related to HDL (high density lipoprotein) levels
b. The current “response to injury” hypothesis considers it to be an
acute inflammatory response to endothelial injury of arterial walls
c. It typically beings in childhood, but only manifests itself in later life
d. It involves smaller elastic and larger muscular arteries
e. 20% of all deaths in USA are attributable to this disease process
Answers Blood Vessels
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1. b
2. a
3. a
4. e
5. b
6. c
7. e
8. e
9. e
10. c
11. e