Pons

Question 1

Anterior part of pons

Answer 1

Basal part

Question 2

Posterior part of pons

Answer 2

Pontine tegmentum

Question 3

What structure divides anterior and posterior pary of pons?

Answer 3

Trapezoid body.

Question 4

Anterior to cerebellum

Answer 4

Pons

Question 5

Connects midbrain and medulla

Answer 5

Pons

Question 6

Transverse collection of fibres on each side of anterior surface of pons

Answer 6

Middle cerebellar peduncle

Question 7

Shallow groove on anterior aspect of pons.

Answer 7

Basilar groove. Holds basilar artery

Question 8

Cranial nerve emerging on anterolateral surface of pons.

Answer 8

Trigeminal nerve

A pair, each with a small medial motor part and a large lateral sensory part

Question 9

What cranial nerves emerge In the groove between pons and medulla

Answer 9

F- facial
A-Abduscens
V-Vestibulochoclear

Question 10

What forms upper half of 4th ventricle?

Answer 10

Posterior surface of pons

Question 11

The posterolateral aspect of poms blocked by

Answer 11

Superior cerebellar peduncles

Question 12

Posterior pons divided into symmetrical halves by?

Answer 12

Median sulcus

Question 13

Lateral to median sulcus?

Answer 13

Medial eminence

Question 14

Lateral to medial eminence

Answer 14

Sulcus limitans

Question 15

Inferior end of medial eminence expanded to form

Answer 15

Facial colliculus produce by root of facial nerve winding around nuclues of abduscens nerve

Question 16

Floor of superior part of sulcus limitans

Answer 16

Substantia ferruginea which is dark in color due to deeply pigmnted nerve cells

Question 17

Lateral to sulcus limitans

Answer 17

Area vestibuli

Question 18

Trigeminal nuclei location in brainstem

Answer 18

Present in pons

Question 19

Posterior to the lateral part of medial lemniscus

Answer 19

Facial nucleus

Question 20

Location of medial longitudinal fasciculus

Answer 20

Beneath floor of 4th ventricle

Question 21

The medial vestibular nucleus is lateral to

Answer 21

Abducens nucleus and close to imferior cerebellar peduncles

Question 22

Lying in the anteromedial aspect of inferior cerebellar peduncles

Answer 22

Spinal nucleus of trigemminal nerve and its tract

Question 23

What makes up trapezoid body

Answer 23

Fibres from cochlear nuclei

Nuclei of trapezoid body

Question 24

Basilar part of pons contains

Answer 24

Pontine nuclei
corticopontine fibres of crus ceribri of midbrain terminate here

Axons of thee fibres give rise to transverse fibres of pons which enter middle cerebellar peduncles and forms main pathway linking cerebellum to cortex

Question 25

Cranial nerves from pons

Answer 25

Trigeminal Facial Abduscena Vestibulocochlear

Question 26

Location of motor nucleus of trigeminal nerve

Answer 26

Beneath lateral part of 4th ventricle | Within reticular formation

Question 27

Location pf sensory nucleus of trigemminal nerve

Answer 27

Lateral side of motor nucleus

Question 28

Posterolateral to motor nucleus of trigeminal nerve

Answer 28

Superior cerebellar peduncle

Question 29

Common at both facial and trigemmin nuclei level

Answer 29

Reticular formation Fourth ventricle Pontine nuclei Trapezoid nuclei

Question 30

Nuclei at facial colliculus

Answer 30

``` Facial nuclei Abduscens nuclei Medial vestibular nucleus Spinal nucleus of trigemminal nerve Pontine nuclei Trigemminal nuclei ```

Question 31

Nuclei at trigemminal nucleus level

Answer 31

Main sensory and motor nucleus Nucleus of trigemminal nerve Pontine and trapezoid nuclei

Question 32

Motor tracts same in facial and trigemminal levels

Answer 32

Corticospinal Corticonuclear Transverse pontine Medial longitudianl fascicullus

Question 33

Sensory tracts of facial colliculus

Answer 33

Spinal tract of trigeminal nerve | Lateral spinal and medial lemnisci

Question 34

Sensory tracts at trigemminal level

Answer 34

Lateral spinal and medial lemnisci