Exam 1

Question 1

Lower group oral muscles

Answer 1

o Depressor anguli oris (triangularis)
o Depressor labii inferioris (quadratus)
o Mentalis

Question 2

Upper group oral muscles

Answer 2

o Risorius
o Zygomatic major and minor
o Levetaor labii superior
o Levator labii superioris alaeque nasii
o Levator anguli oris (caninus)
ı Orbicularis oris
ı Buccinator

Question 3

facial muscles

Answer 3

ı Nasalis
o Transverse: compressor naris
o Alar: dilator naris
ı Depressor septi: narrows the nari
ı Levator labii superioris alaeque nasii
ı Procerus

Question 4

Orbital muscles

Answer 4

ı Orbicularis Oculi
o Orbital part (thick)
o Palpebral part (thin)
o Lacrimal part
ı Procerus – transverse wrinkles
ı Corrugator supercillii

Question 5

Eat muscles

Answer 5

Anterior auricular
ı Superior auricular – largest
ı Posterior auricular

Question 6

Scalp Muscles

Answer 6

Occipito-frontalis
o Frontal belly
o Occipital belly
o Galea aponeurotic
• Temporo-parietal muscles

Question 7

function of botox

Answer 7

Botox (Botulinum toxin type A) is a treatment used for muscle
spasms, which is derived from a strain of bacteria called
Clostridium Botulinum.
o When Botox is injected into the muscles it reduces spasms by
blocking the transmission between the muscle fibres and endings
of the nerves. Botox effectively weakens the muscles and causes
localised paralysis.

Question 8

anterior branches of external carotid artery

Answer 8

o Superior Thyroid artery o
Lingual artery
o Facial artery
o Internal Maxillary artery
o Superficial Temporal artery

Question 9

Artery - Anteromedial location; has branches in
neck and face and emerges between the mandible and
submandibular gland

Answer 9

External carotid artery

Question 10

Superficial Arteries of the Face

Answer 10

ı Superficial Temporal artery – enters temporal fossa
ı Transverse Facial artery – comes from the superficial temporal artery,
above the parotid gland & parotid duct
ı Supra-orbital artery – a terminal branch of the ophthalmic artery
ı Supra-trochlear artery – a terminal branch of the ophthalmic artery
ı Dorsal nasal artery – a terminal branch of the ophthalmic artery

Question 11

Buccal artery anastosomes with…

Answer 11

Internal maxillary artery