Aneurysms and Arterial Dissection
- Previous year questions on Aneurysms and Arterial Dissection for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Pathology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 15 live questions in Aneurysms and Arterial Dissection.
- 1 of 15 questions carries a verified exam year: 2019.
- Pathology is worth about 25 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.The Most common cause of Mycotic aneurysm is
- ACandida albicans
- BTreponema pallidum
- CStaphylococcus aureus✓ Correct answer
- DPseudomonas aeruginosa
Q2.Berry aneurysm most commonly occurs due to?
- AEndothelial injury of vessel due to HTN
- BMuscle intimal elastic lamina layer defect✓ Correct answer
- CMuscle and adventitial layer defect
- DAdventitia defect
Q3.Tree bark like calcification in chest X-ray is seen in -
- ASyphilitic aneurysm✓ Correct answer
- BAortoarteritis
- CNeurofibromatosis
- DAtherosclerosis
Q4.Most common cause of dissecting hematoma is
- AHypertension✓ Correct answer
- BMarfan's syndrome
- CIatrogenic
- DKawasaki
Q5.All of the following factors predispose to Aortic dissection, Except:
- ASystemic hypertension
- BCoarctation of aorta
- CIn 1st trimester pregnancy✓ Correct answer
- DTakayasu's arteritis
Q6.Berry aneurysm - defect lies in -
- ADegeneration of internal elastic lamina
- BDegeneration of media/muscle cell layer✓ Correct answer
- CDeposition of mucoid material in media
- DLow grade inflammation of vessel wall
Q7.Syphilitic arterial aneursysms typically involve which of the following processes?
- ACystic medial sclerosis
- BFatty streaks
- CCircumferential calcification
- DEndarteritis of the vasa vasorum✓ Correct answer
Q8.70 year old man has abdominal pain with mass in abdomen. Angiography reveals aneurysm of aorta. Most likely cause is:
- ATrauma
- BAtherosclerosis✓ Correct answer
- CSyphilis
- DCongenital
Q9.Ascending aorta involvement is the commonest site of which aneurysm:
- ASyphilitic✓ Correct answer
- BAtherosclerotic
- CMycotic
- DNone of the above
Q10.A 50-year-old hypertensive man develops very severe, "tearing" chest pain, which migrates from his upper back to mid-back over the period of an hour. Pathologic examination of a specimen removed from the patient during emergency surgery would MOST likely demonstrate which of the following?
- ACystic medial degeneration✓ Correct answer
- BInfarction
- CPlasma cells around the vasa vasorum
- DWrinkling of intima
Answer key
Q1: C. Staphylococcus aureus; Q2: B. Muscle intimal elastic lamina layer defect; Q3: A. Syphilitic aneurysm; Q4: A. Hypertension; Q5: C. In 1st trimester pregnancy; Q6: B. Degeneration of media/muscle cell layer; Q7: D. Endarteritis of the vasa vasorum; Q8: B. Atherosclerosis; Q9: A. Syphilitic; Q10: A. Cystic medial degeneration.
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