Face and parotid

Question 1

Answer 1

Question 2

Location of most scalp infections

Answer 2

Loose areolar layer

Question 3

Answer 3

Question 4

Scalp Innervation

Answer 4

Question 5

Answer 5

Question 6

Occipitofrontalis muscle

Answer 6

Question 7

Occipitofrontalis inertion and action

Answer 7

O: epicranial aponeurosis

I: skin over eyebrows

A: elevates eyebrows, wrinkles forehead

Question 8

Answer 8

Question 9

Answer 9

Orbicularis oculi M

Question 10

Orbicularis oris muscle insertion and action

Answer 10

O: medial orbital rim (frontal, maxilla), medial palpebral ligament

I: skin around orbit, eyelids (tarsal plates)

A: closes eyelids (blinking, squinting)

Question 11

Answer 11

Nasalis M

Question 12

Nasalis attachments and action

Answer 12

O: maxilla

I: alar cartilage of nose

A: flares, compresses nostrils

Question 13

Answer 13

Orbicularis oris m

Question 14

Orbicularis oris attachments and action

Answer 14

O: medial maxilla and mandible

I: skin, mucosa of lips

A: oral sphincter, protrude lips

Question 15

Answer 15

Zygomaticus major

Question 16

Zygomaticus major attachments and action

Answer 16

O: Zygomatic bone

I: angle of mouth

A: pulls angle of mouth superiorly & laterally

Question 17

Answer 17

Zygomaticus minor m

Question 18

Zygomaticus minor attachments and action

Answer 18

O: Zygomatic bone

I: upper lip

A: elevates upper lip

Question 19

Answer 19

Levator labii superioris M

Question 20

Levator labii superioris M attachments and action

Answer 20

O: inf margin of orbit, sup. to infraorbital foramen

I: upper lip

A: elevates upper lip

Question 21

Answer 21

Levator anguli oris M

Question 22

Levator anguli oris M attachments and action

Answer 22

O: facial part of maxilla, inf to infraorbital foramen

I: angle of mouth

A: elevates angle of mouth

Question 23

attachments too

Answer 23

Question 24

Answer 24

Buccinator m

Question 25

Buccinator attachments and action

Answer 25

O: alveolar processes of maxilla & mandible, pterygomandibular raphe

I: angle of mouth, skin of cheeks

A: compresses cheeks, keeps food between teeth

Question 26

Answer 26

Mentalis

Question 27

Mentalis attachment and action

Answer 27

O: incisive fossa of mandible

I: skin of chin

A: protrudes lower lip, crumples skin of chin

Question 28

Answer 28

Platysma

Question 29

Platysma attachment and action

Answer 29

O: skin of neck and upper thorax

I: mandible, blends with inferior oral MM

A: tenses skin of neck, depresses mandible (against resistance)

Question 30

Branches of facial nerve

Answer 30

Question 31

Facial nerve emerges from

Answer 31

Stylomastoid foramen

Question 32

Foramen of trigeminal branches

Answer 32

Question 33

Branches of opthalmic

Answer 33

Nasociliary, lacrimal, and frontal

Question 34

Frontal nerve branches into:

Answer 34

Supraorbital and supratrochlear

Question 35

Maxillary nerve branches

Answer 35

Zygomaticotemporal, zygomaticofacial, infraorbital

Question 36

Branches of mandibular nerve

Answer 36

Auriculotemporal, long buccal, mental

Question 37

General blood supply to face

Answer 37

Question 38

Answer 38

Question 39

Answer 39

Question 40

Sensory portion of parotid gland

Answer 40

Sensory to sheath from great auricular N (cervical plexus)

Question 41

Secretomotor to parotid (parasymp.)

Answer 41

• Glossopharyngeal N (CN IX)
• preganglionic parasymp.
• synapse at otic ganglion