Osteology Of Head & Neck

Question 1

ICA is passing through Foramen Lacerum

True/False

Answer 1

Flase

The Superior Part of Foramen Lacerum is Traversed by ICA

Question 2

Greater Petrosal Nerve Carries

Answer 2

Pre-Ganglionic Parasympathetic Fibres

Greater Petrosal Nerve branch of Facial Nerve

Question 3

Deep Petrosal Nerve Carries

Answer 3

Post-Ganglionic Sympathetic Fibres from Superior Cervical Ganglion

A Sympathetic plexus on ICA

Question 4

Vidian Nerve is formed by

Where it ends

Answer 4

Greater and Deep Petrosal Nerve forms Vidian Nerve

Which passes through Pterygoid Canal

And eventually ends in PterygoPalatine / Sphenopalatine Ganglion

Question 5

Internal Auditory Meatus present in

Answer 5

Petrous part of Temporal Bone

Question 6

Structures passing through Internal Auditory Meatus

Answer 6

CN VII
CN VIII
Labyrinthine Artery

Question 7

Labyrinthine Artery arise from

Answer 7

AICA ~ 80%

Basilar Artery ~ 20%

Question 8

Inferior Petrosal Sinus Passing through

Answer 8

Anterior Compartment of Jugular Foramen

Question 9

Structures passing through Intermediate Compartment of Jugular Foramen

Answer 9

CN - IX, X, XI

Question 10

Structure passing through Posterior Compartment of Jugular Foramen

Answer 10

Internal Jugular Vein
~Sigmoid Sinus

Meningeal Branch of the Occipital Artery

Question 11

Mass in the Jugular Foramen which in turn Compress Which 3 Nerves are Compressed and what it Leads to

Answer 11

Compression of CN - IX, X, XI

Vernet Syndrome

Question 12

Structures passing through Posterior Compartment of Foramen Magnum

Answer 12

Lower End of Medulla

Anterior Spinal Artery

Posterior Spinal Artery

4th part of Vertebral Artery

Spinal part of Accessory Nerve

Question 13

Structures passing through Anterior Compartment of Foramen Magnum

Answer 13

Apical Ligament of Dens

Upper Band of Cruciate Ligament

Tectorial Membrane

Question 14

What is Tectorial Membrane

Answer 14

Continuation of Posterior Longitudinal Ligament

Posterior Longitudinal Ligament is ending at the level of C2

Question 15

Incisive Foramen transmit

Answer 15

Nasopalatine nerve

Greater palatine vessels

Question 16

Stylomastoid Foramen transmit

Answer 16

CN VII

Question 17

Pterygoid Canal is present in

Answer 17

Floor of Sphenoidal Sinus

Vidian Nerve is passing in the floor of Sphenoidal Sinus

Question 18

Structure passing through Mandibular Foramen

Answer 18

Inferior Alveolar Nerve and Vessel

Question 19

Content of Foramen Spinosum

Answer 19

M ~ middle meningeal artery and vein

E ~ emissary veins

N ~ nervus spinosum (recurrent meningeal branh of CN lll)

Question 20

Contents of Foramen Ovale

Answer 20

M ~ mandibular division of CN V

A ~ accessory meningeal artery

L ~ lesser petrosal nerve

E ~ emissary veins

Question 21

The supra orbital notch is present at

Answer 21

The juction of medial 1/3 and lateral 2/3 of Supraorbital Margin

Question 22

Pterion is

Answer 22

Meeting point of 4 Bones;

Frontal

Parietal

Temporal

GW of Sphenoid