Ventricles, CSF and Subarachnoid Space
- Previous year questions on Ventricles, CSF and Subarachnoid Space 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.
- 13 live questions in Ventricles, CSF and Subarachnoid Space.
- 1 of 13 questions carries a verified exam year: 2019.
- Anatomy is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 5 Sept 2026.
Q1.which of the following doesnt contribute to floor of 4th ventricle
- Afacial nucleus✓ Correct answer
- Blocus ceruleus
- Cvestibular cochlear nucleus
- Dhypoglossal trigone
Q2.Anterior horn of lateral ventricle is closed anteriorly by
- AThalamus
- BCorpus callosum✓ Correct answer
- CLamina terminalis
- DSeptum pellucidum
Q3.True about 3rd ventricle is
- ACavity of rhombencephalon
- BCommunicates with lateral ventricle aqueduct of sylvius
- CCommunicates with 4th ventricle foramen of munro
- DInterthalamic adhesions connects lateral walls of 3rd ventricle✓ Correct answer
Q4.True about subarachnoid space
- ASurround the conus✓ Correct answer
- BOutside subdural space
- CBetween piamater and brain
- DBetween dura and subarachnoid
Q5.False about CSF is
- ATotal volume 125-150ml
- BRate of formation 500ml/day
- CAbsorbed through arachnoid villi
- DMajor source is arachnoid granulations in superior sagittal sinus✓ Correct answer
Q6.Ventricles are lined by?
- AOligodendrocytes
- BEpendymal cells✓ Correct answer
- CSchwann cells
- DAstrocytes
Q7.Virchow-Robin's space is a part of
- AEpidural space
- BSubdural space
- CSubarachnoid space✓ Correct answer
- DFourth ventricle
Q8.Which of the following structure is not present on floor of third ventricle?
- AOptic stalk
- BThird nerve✓ Correct answer
- CInfundibulum
- DMammillary body
Q9.True about 4thventricle is-
- ARhomboid fossa forms floor✓ Correct answer
- BChoroid plexus lies at its floor
- CConnection between two cerebral hemispheres
- DLies inferior to inferior cerebellar peduncle
Q10.During an outbreak of meningitis at a local college, a 20-year-old student presents to a hospital emergency depament complaining of headache, fever, chills, and stiff neck. On examination, it appears that he may have meningitis and needs a lumbar puncture or a spinal tap. Cerebrospinal fluid (CSF) is normally withdrawn from which of the following spaces?,
- AEpidural space
- BSubdural space
- CSpace between the spinal cord and the pia mater
- DSubarachnoid space✓ Correct answer
Answer key
Q1: A. facial nucleus; Q2: B. Corpus callosum; Q3: D. Interthalamic adhesions connects lateral walls of 3rd ventricle; Q4: A. Surround the conus; Q5: D. Major source is arachnoid granulations in superior sagittal sinus; Q6: B. Ependymal cells; Q7: C. Subarachnoid space; Q8: B. Third nerve; Q9: A. Rhomboid fossa forms floor; Q10: D. Subarachnoid space.
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