Face

Question 1

The area common to scalp and face

Answer 1

Forehead

Question 2

The areas of face covered by deep fascia

Answer 2

Parotid gland and buccinator muscle

Question 3

Mention arteries of face with origin

Answer 3

ECA(main): Superficial temporal & facial
ICA: supraorbital & -trochlear
From maxillary: buccal, infra-orbital & mental

Question 4

Mention the landmark at which the facial art pierces the deep fascia, and that at which it ends

Answer 4

Antero-inferior angle of masseter
Medial angle of the eye

Question 5

GR: facial art has tortuous course

Answer 5

To permit free movement of mandible, lips & cheeks

Question 6

Mention the branches of facial art

Answer 6

Sup & inf labial
Lateral nasal
Angular
Unnamed muscular branches

Question 7

Mention an anastomosis between ICA & ECA in face

Answer 7

Anast. between facial art & dorsal nasal art which is a branch of opthalamic, this is the termination of facial art

Question 8

How is facial vein connected to cavernous sinus

Answer 8

It is connected to sup opthalamic vein that drains into the sinus
It is connected to pterygoid venous plexus by deep facial vein, this plexus connects to sinus by three emissary veins

Question 9

Mention parts of dangerous area of face

Answer 9

Upper lip, nose, medial angle of eye

Question 10

Mention areas of face not supplied by trigeminal nerve (sens.) and their supply

Answer 10

Small area over angle of mandible and capsule of parotid gland
Greater auricular (C2&3)

Question 11

Mention sensory nerves of the face & their origin

Answer 11

Ophthalamic: supratrochlear, infratrochlear, supraorbital, external nasal, palpebral branch of lacrimal
Maxillary: zygomaticotemporal, zygomaticofacial, infraorbital that gives palpebral, nasal & labial branches
Mandibular: auriculotemporal, mental, buccal

Question 12

Facial nerve leaves the skull through….

Answer 12

Stylomastoid foramen

Question 12

Mention branches of facial nerve

Answer 12

In neck, post auricular and muscular to post belly of digastric & stylohyoid
Terminal branches: temporal, zygomatic, buccal, mandibular, cervical.

Question 12

GR, incisions in the face should be horizontal

Answer 12

Because the branches of facial nerve radiate outwards across the face, thus the incision is parallel to reduce the likelihood of cutting them.

Question 13

Mention branches supplying
obicularis oculi muscle
Obicularis oris
Platysma

Answer 13

Temporal & zygomatic
Buccal
Cervical
All from facial nerve

Question 14

Describe lymph drainage of face

Answer 14

Medial to facial art, submandibular LN
Lateral to facial art, parotid LN
Central part of lower lip & chin is drained by submental LN

Question 15

The muscles of facial expression arise from …..

Answer 15

2nd pharyngeal arch

Question 16

Functions of muscles of facial expression

Answer 16

Act as sphincters or dilators to the openings of the face
Produce facial expression

Question 17

Mention part of orbicularis oculi with no lateral bony attachment

Answer 17

Orbital part

Question 18

Mention parts of o.oculi muscle attached to medial palpebral ligament

Answer 18

Orbital & palpebral (origin)

Question 19

Mention parts of o.oculi muscle attached to lat palpebral ligament

Answer 19

Palpebral & lacrimal (insertion)

Question 20

Describe actions of orbicularis oculi muscle

Answer 20

Orbital: closely shut eye
Palpebral: gently shut eye & spread tears
Lacrimal: dilate lacrimal sac, help in flow of tears

Question 21

Describe origin & insertion of middle fibers of buccinator

Answer 21

Originated from pterygomandibukar raphe
Its fibers decussate at the modiolus such that upper part is inserted in lower lip & vice versa

Question 22

Each quadrant in orbicularis oris is formed of ….&….

Answer 22

Large Pars peripheralis & small pars marginalis

Question 23

O.oris is formed if …. Segments

Answer 23

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