Q. With regard to aortic dissection, which is incorrect (Solved)
1. it tends to occur in 40-60 year old men
2. approximately 90% of non-traumatic cases occur in patients with antecedent hypertension
3. it is usually associated with marked dilatation of the aorta
4. it is unusual in the presence of substantial atherosclerosis
5. it is usually caused by an intimal tear within 10cm of the aortic valve
- c. it is usually associated with marked dilatation of the aorta