OSPE model answers Spot Q1 Q2 1 Anterior lobe of cerebellu m Muscle tone & superior cerebellar A. 2 Cerebellar tonsil AICA 3 4 th ventricle Superior medullary velum- back ofcerebellum- Inferior medullary velum 4 Anterior limb of internal capsule Anterior thalamic radiation and frontopontine fibers 5 Genu of internal capsule Corticobulbar fibers 6 Posterior limb of internal capsule (Thalamolentic ular part) Superior thalamic radiation–frontopontine fibers–Corticospinal fibers 7 Retrolenticular part of internal capsule (Optic radiation) Occipitopontine fibers- parieto pontine fibers- optic radiation 8 Forceps major Commissural fibers 9 Forceps minor Commissural fibers 10 Anterior horn of lateral ventricle Roof: body of corpus callosum Floor: Rostrum and head of caudate 11 Lentiform nucleus 12 Head of caudate 13 Insula Middle cerebral A. & deep middle cerebral vein 14 Posterior horn of lateral ventricle Forceps major forming bulb of posterior horn & Calcaravis formed by calcarine sulcu s 15 Thalamus Head of caudate- body of lateral ventricle- Stria terminalis 16 Optic canal Optic nerve & ophthalmic artery17 Superior orbital fissure Oculomotor N. –Trochlear nerve–Superior &inferior ophthalmic veins 18 Internal acoustic meatus Facial N. & Vestibulocochl ear N. 19 Jugular foramen Glossophar yngeal N. –Vagus N.–Accessory N. 20 Hypoglossal canal Hypoglossal N. 21 Foramen magnum Medulla oblongata- Vertebral A.s–Anterior &posterior spinal A.s
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8/8/2019 OSPE Answers
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OSPE model answers
Spot Q1 Q2
1 Anterior lobe of cerebellum Muscle tone & superior cerebellar A.
2 Cerebellar tonsil AICA
3 4th ventricle Superior medullary velum- back of
cerebellum- Inferior medullary velum
4 Anterior limb of internal capsule Anterior thalamic radiation and frontopontine
fibers
5 Genu of internal capsule Corticobulbar fibers
6 Posterior limb of internal capsule
(Thalamolenticular part)
Superior thalamic radiation – frontopontine
fibers – Corticospinal fibers
7 Retrolenticular part of internal
capsule (Optic radiation)
Occipitopontine fibers- parieto pontine fibers-
optic radiation
8 Forceps major Commissural fibers
9 Forceps minor Commissural fibers
10 Anterior horn of lateral ventricle Roof: body of corpus callosum
Floor: Rostrum and head of caudate
11 Lentiform nucleus
12 Head of caudate
13 Insula Middle cerebral A. & deep middle cerebral vein
14 Posterior horn of lateral ventricle Forceps major forming bulb of posterior horn
& Calcaravis formed by calcarine sulcus
15 Thalamus Head of caudate- body of lateral ventricle-
Stria terminalis
16 Optic canal Optic nerve & ophthalmic artery
17 Superior orbital fissure Oculomotor N. – Trochlear nerve – Superior & inferior ophthalmic veins
18 Internal acoustic meatus Facial N. & Vestibulocochlear N.
19 Jugular foramen Glossopharyngeal N. – Vagus N. – Accessory N.
20 Hypoglossal canal Hypoglossal N.
21 Foramen magnum Medulla oblongata- Vertebral A.s – Anterior &