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RGUHS MBBS Anatomy January 2026 (5501 CBME)

5501Rajiv Gandhi University of Health Sciences · Anatomy · 2026 · January · CBME

Questions (27)

  1. 1.Describe the median nerve under following headings a) Origin & root value b) Course & relations c) Branches & distribution
    10 Marks
  2. 2.Explain the anatomical basis of Triangle of Koch which is considered as important surgical landmark. Explain its boundaries.
    3 Marks
  3. 3.An eighteen-year old girl developed dizziness and had a fall on sudden rotation of neck. Explain the anatomical basis of carotid sinus and carotid body
    3 Marks
  4. 4.Explain the anatomical reason why triceps brachii escapes complete paralysis in injury to the radial nerve in the spiral groove. Mention the root value and termination of Radial nerve
    3 Marks
  5. 5.Explain the anatomical significance of dural folds. Name the dural folds.
    3 Marks
  6. 6.Explain why a lesion in the Brodmann’s area 5 and 7 results in astereognosis.
    3 Marks
  7. 7.Explain the anatomical basis of ligation of vessels during thyroidectomy. Explain the venous drainage of thyroid gland.
    5 Marks
  8. 8.Describe the parts and relations of lateral ventricle. Add a note on its applied aspects
    5 Marks
  9. 9.Describe the pleural recesses. Add a note on its applied aspects.
    5 Marks
  10. 10.Describe the process of Implantation. Add a note on abnormal sites of implantation.
    5 Marks
  11. 11.Describe the pericardial sinuses of heart. Mention the nerve supply and blood supply of pericardial sinuses
    5 Marks
  12. 12.Explain the topographical and functional relations and connections of otic ganglion.
    5 Marks
  13. 13.Compare and contrast the microscopy of hyaline and elastic cartilage with neat labelled diagram.
    5 Marks
  14. 14.Explain the boundaries and contents of posterior triangle of neck.
    5 Marks
  15. 15.Draw a neat labelled diagram of cross section at the level of eighth thoracic vertebra
    5 Marks
  16. 16.Explain the gross features, relations and nerve supply of submandibular salivary gland
    5 Marks
  17. 17.Explain the role of cadaver as your first teacher.
    5 Marks
  18. 18.A 6-year boy fell from chair and injured his limb. He was brought to the casualty and was diagnosed with dislocation of elbow joint
    (i) What type of joint is this? A. Ball and socket type B. Condyloid type C. Hinge type D. Ellipsoid type
    (ii) On what axis the movement take place A. Vertical axis B. Transverse axis C. Anteroposterior axis D. Multiaxial
    2 Marks
  19. 19.A neurobiologist surgically removes the neural crest in the thoracic region of a chick embryo immediately after closure of the neural tube.
    (i) Which of the following cell types is most likely to be affected? A. Bone cells in the ribs B. Goblet cells lining the respiratory tract C. Skeletal muscle cells in the thoracic wall D. Neurons of sympathetic ganglia
    (ii) Neural crest cells are a unique population of multipotent, migratory cells that emerge during which of the following processes? A. Neurulation B. Gastrulation C. Formation of embryoblast D. Formation of trophoblast
    2 Marks
  20. 20.A 60-year-old female visited Medicine OPD complaining of dizziness. The consultant asked the intern to record the blood pressure, to rule out hypertension.
    (i) The artery used for recording blood pressure is A. Profunda brachii artery B. Brachial artery. C. Radial artery D. Ulnar artery
    (ii) Level of termination of this artery A. Styloid process of radius B. Head of radius C. Neck of radius D. Radial tuberosity
    2 Marks
  21. 21.A man after a Road Traffic Accident had dislocation of right shoulder joint.
    (i) Which of the following is the most common dislocation of shoulder joint? A. Anterior B. Posterior C. Superior D. Inferior
    (ii) All of the following are rotator cuff muscles of shoulder EXCEPT. A. Supraspinatus B. Infraspinatus C. Teres major D. Teres minor
    2 Marks
  22. 22.A 45-year male complains of difficulty in swallowing.
    (i) At what vertebral level pharynx continues as oesophagus A. C6 B. T1 C. C5 D. C4
    (ii) Which structure passes between superior and middle constrictor of pharynx A. Levator veli palatini B. Auditory tube C. Glossopharyngeal nerve D. Superior laryngeal vessels
    2 Marks
  23. 23.During dental procedure, local anesthesia is given near the mandibular foramen.
    (i) Which of the following nerve is targeted for block? A. Facial nerve B. Lingual nerve C. Buccal nerve D. Inferior alveolar nerve
    (ii) The targeted nerve is a branch of which of the following nerve A. Anterior division of Mandibular nerve B. Posterior division of Mandibular nerve C. Main trunk of Mandibular nerve D. Maxillary nerve
    2 Marks
  24. 24.A 35-year-old male is brought to the emergency department after an attempted suicidal hanging. Imaging reveals a fracture-dislocation at the craniovertebral junction.
    (i) The probable bone fractured is A. Transverse process of atlas B. Odontoid process of axis C. Anterior arch of atlas D. Spinous process of axis
    (ii) Which structure is most directly responsible for the instability of the craniovertebral junction in above fracture A. Anterior longitudinal ligament B. Ligamentum flavum C. Posterior longitudinal ligament D. Transverse ligament of the atlas
    2 Marks
  25. 25.A 40-year old male was brought to Emergency OPD with complaints of slurred speech, food accumulating in the mouth and difficulty in swallowing. During examination, on protruding, tongue was found to deviate to one side. A diagnosis of paralysis of tongue muscles was done.
    (ii) Safety muscle of the tongue which prevents it from falling back is A. Hyoglossus B. Genioglossus C. Palatoglossus D. Styloglossus
    (i) The nerve supplying the muscles of tongue is A. Lingual nerve B. Glossopharyngeal nerve C. Mandibular nerve D. Hypoglossal nerve
    2 Marks
  26. 26.Following a road traffic accident, a patient had left sided homonymous hemianopia
    (ii) Which of the following structure forms the part of optic pathway? A. Medial geniculate body B. Lateral geniculate body C. Red nucleus D. Inferior colliculus
    (i) Which of the following structure is injured in the patient? A. Right optic nerve B. Left optic nerve C. Left optic tract D. Right optic tract
    2 Marks
  27. 27.65-year-old man presents with resting tremor, bradykinesia, rigidity, and a shuffling gait. Neurological examination suggests a classic presentation of Parkinson’s disease.
    (i) Which part of the midbrain is primarily degenerated in this patient, leading to Parkinsonian symptoms? A. Substantia nigra B. Cerebral peduncle C. Tectum D. Tegmentum
    (ii) The involved part is made up of deeply pigmented nerve cell which contains A. Copper B. Nickel C. Neuromelanin and Iron D. Acetylcholine
    2 Marks

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