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Diseases of the Aorta
See all quizzes of Diseases of the Aorta at here:
1.In adults, aortic diameter at the origin is approximately ?
A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm
2. Aortic wall intima is composed of all except ?
A. Endothelium
B. Subendothelial connective tissue
C. Internal elastic lamina
D. Smooth muscle cells
3. Vasa vasorum and nervi vascularis are located in which of the following structures of aorta ?
A. Endothelium
B. Tunica media
C. Adventitia
D. All of the above
4. Kommerell’s diverticulum is an anatomic remnant of ?
A. Left umblical artery
B. Right aortic arch
C. Ductus arteriosus
D. Left atrial appendage
5. In a pseudoaneurysm, which of the following layers is not disrupted ?
A. Intima
B. Media
C. Adventitia
D. None of the above
6. A fusiform aneurysm affects what proportion of the circumference of a segment of the vessel ?
A. 25 %
B. 50 %
C. 75 %
D. 100 %
7. Which of the following factors is not associated with degenerative aortic aneurysms ?
A. Aging
B. Alcohol
C. Cigarette smoking
D. Hypercholesterolemia
8. Cystic medial necrosis affects which component of the aortic wall ?
A. Intima
B. Media
C. Adventitia
D. All of the above
.
9. Most common pathological condition for ascending aortic aneurysm is ?
A. Hypertension
B. Atherosclerosis
C. Cystic medial necrosis
D. Tuberculosis
10. Cystic medial necrosis is prevalent in patients with ?\
A. Marfan syndrome
B. Ehlers-Danlos syndrome type IV
C. Hypertension
D. All of the above
11. Mutations of the gene that encodes fibrillin-1 are present in patients with ?
A. Marfan syndrome
B. Ehlers-Danlos syndrome type IV
C. Loeys-Dietz syndrome
D. Osteogenesis Imperfecta (OI)
12. Loeys-Dietz syndrome is caused by mutations in the genes that encode ?
A. COL5A1
B. TNXB
C. TGF- receptors 1 (TGFBR1)
D. PLOD1
13. Loeys-Dietz syndrome (LDS) is characterized by all except ?
A. Aortic aneurysms
B. Hearing loss
C. Cleft palate
D. Hypertelorism
14. Mutations of type III procollagen results in ?
A. Ehlers-Danlos type I syndrome
B. Ehlers-Danlos type II syndrome
C. Ehlers-Danlos type III syndrome
D. Ehlers-Danlos type IV syndrome
15. Syphilitic aneurysms are mostly located in ?
A. Ascending aorta
B. Thoracic aorta
C. Abdominal aorta
D. All of the above
16. Tuberculous aneurysms are mostly located in ?
A. Ascending aorta
B. Thoracic aorta
C. Abdominal aorta
D. All of the above
17. All of the following conditions can lead to dilatation of the ascending aorta except ?
A. Ankylosing spondylitis
B. Rheumatoid arthritis
C. Reiter’s syndrome
D. Behcet’s disease
18. Most common pathological condition associated withaneurysms of aortic arch & descending thoracic aorta is ?
A. Hypertension
B. Atherosclerosis
C. Cystic medial necrosis
D. Tuberculosis
19. Most common pathological condition for distal abdominal aortic aneurysm below renal arteries is ?
A. Hypertension
B. Atherosclerosis
C. Cystic medial necrosis
D. Tuberculosis
20. What percentage of atherosclerotic aneurysms are located in distal abdominal aorta, below the renal arteries ?
A. 25 %
B. 33 %
C. 50 %
D. 75 %
21. For descending thoracic aneurysms, risk of rupture increases substantially beyond ?
A. > 4 cm
B. > 5 cm
C. > 6 cm
D. > 7 cm
22. Aortic dissection commonly occurs at ?
A. Right lateral wall of ascending aorta
B. Left lateral wall of ascending aorta
C. Right lateral wall of thoracic descending aorta
D. Right lateral wall of thoracic descending aorta
23. Stanford & DeBakey classifications are used to classify ?
A. Peripheral vascular disease
B. Aortic dissection
C. Renal artery stenosis
D. Internal carotid artery lesions
24. Incidence of aortic dissection is increased during which of the following period of pregnancy ?
A. Second trimester of pregnancy
B. Third trimester of pregnancy
C. Intrapartum period
D. Post partum period
25. Which of the following about aortic dissection is false ?
A. Peak incidence is in sixth & seventh decades
B. Men are more affected than women
C. Acute aortic regurgitation is common
D. None of the above
D. Tuberculosis
26. Which of the following drugs should be avoided while managing hypertension in acute aortic dissection ?
A. Beta adrenergic blockers
B. Sodium nitroprusside
C. Diazoxide
D. Diltiazem
27. Which of the following drugs should be avoided while managing hypertension in acute aortic dissection ?
A. Labetalol
B. Sodium nitroprusside
C. Hydralazine
D. Verapamil