Brainstem

1.Floor of fourth ventricle

2.Describe the boundaries and features of floor of the IV ventricle

1.Draw a neat labelled diagram of transverse section of midbrain at the level superior colliculus

2.Draw a neat labelled diagram of medulla oblongata at the level of olive

3.Floor of fourth ventricle of brain

4.Crus cerebri

1.Transverse section at the level of upper part of pons

2.Four nuclei present in the pons

3.Name two cranial nerve nuclei in lower part of pons

4.Name two cranial nerves at Ponto medullary junction

5.Two cranial nerve nuclei in midbrain

6.Name two contents of interpeduncular fossa

7.Name two cranial nerve nuclei in medulla oblongata

8.Structures producing facial colliculus

9.Transverse section of the pons at the level of the facial colliculus

10.Transverse section at the level of inferior colliculus of mid brain

11.Transverse section of midbrain at the level of inferior colliculus 14.Structures forming stomach bed

12.Diagram showing the floor of the fourth ventricle

1.Midbrain at the level of superior colliculus contains

• 1) Trochlear nucleus
• 2) Oculomotor nucleus
• 3) Mesencephalic nucleus of trigeminal nerve
• 4) Red nucleus
• a) 1, 2, 4
• b) 1, 3, 4
• c) 2, 3, 4
• d) 1, 2, 3

2.Red nucleus is present in

• a) Midbrain at the level of superior colliculus
• b) Midbrain at the level of inferior colliculus
• c) Pons at the level of facial colliculus
• d) Medulla oblongata at the level of pyramidal decussation

3.The nucleus tractus solitarius is concerned with the following cranial nerves

• i) Facial
• ii) Vestibulo-cochlear
• iii) Glossopharyngeal
• iv) Vagus
• a) i, ii, iii
• b) i, iii, iv
• c) i, ii, iv
• d) ii, iii