Mediastinum
- Previous year questions on Mediastinum for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Anatomy 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.
- 27 live questions in Mediastinum.
- 2 of 27 questions carry a verified exam year: 2017, 2018.
- Anatomy is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 3 Sept 2026.
Q1.Which of the following is NOT seen in Anterior Mediastinum?
- AThyroid tumour
- BThymoma
- CLymphoma
- DNeurogenic tumor✓ Correct answer
Q2.Which of the following represent the commonest variation in the arteries arising from the arch of aorta?
- AAbsence of brachiocephalic trunk
- BLeft vertebral artery arising from the arch
- CPresence of retroesophageal subclavian artery
- Dleft common carotid artery arising from brachiocephalic trunk✓ Correct answer
Q3.Azygous vein drains
- AInto superior vena cava✓ Correct answer
- BAnterior to costochondral junction
- COesophagus
- DDirectly into right atrium
Q4.NOT a content of superior mediastinum
- APulmonary trunk✓ Correct answer
- BThymus
- CLeft superior intercostal artery
- DArch of aorta
Q5.upper 1/3rd of oesophagus is supplied by ?
- Asuperior pharyngeal artery
- Binferior thyroid artery✓ Correct answer
- Cthoracic aorta
- Dinferior phrenic artery
Q6.All of the following are true about venous drainage of esophagus except:
- AThoracic esophagus drains into the azygos vein
- BEsophageal veins drain into a submucosal plexus
- CThe cervical esophagus drains directly into the right brachiocephalic vein✓ Correct answer
- DLower esophageal veins anastomose with the left gastric vein
Q7.Left superior intercostal vein drains into ?
- AAzygous vein
- BHemiazygous vein
- CBrachiocephalic vein✓ Correct answer
- DInternal thoracic vein
Q8.2nd constriction of esophagus is caused by -
- ALeft bronchus
- BArch of aorta✓ Correct answer
- CDiaphragm
- DLower sphincter
Q9.True about thoracic duct :
- AIt passes through aoic opening of diaphragm✓ Correct answer
- BIt stas at the level of T3 veebra
- CIt opens into superior vena cava
- DAll
Q10.Which among the following is the last tributary of the azygos vein?
- ARight-superior intercostal vein
- BHemi-azygos vein
- CRight bronchial vein✓ Correct answer
- DAccessory azygos vein
Answer key
Q1: D. Neurogenic tumor; Q2: D. left common carotid artery arising from brachiocephalic trunk; Q3: A. Into superior vena cava; Q4: A. Pulmonary trunk; Q5: B. inferior thyroid artery; Q6: C. The cervical esophagus drains directly into the right brachiocephalic vein; Q7: C. Brachiocephalic vein; Q8: B. Arch of aorta; Q9: A. It passes through aoic opening of diaphragm; Q10: C. Right bronchial vein.
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