PAROTID GLAND AND CRANIAL NERVE VII

Question 1

The______ region is the Part of face in front of the ear and below the _______ arch

Answer 1

parotid, zygomatic

Question 2

The parotid region is ?

Answer 2

he Part of face in front of the ear and below the zygomatic arch

Question 3

The parotid Region features the?

Answer 3

Masseter and the Parotid gland

Question 4

The parotid Region features the __________ and the ___________ gland

Answer 4

Masseter and the Parotid gland

Question 5

___________ is the largest and the major salivary gland

it is Mainly serous and has few scattered mucous acini

Answer 5

Parotid Gland

Question 6

The Parotid gland is the?

Answer 6

Largest and major salivary gland

it secrete mainly serous and has few scattered mucous acini

Question 7

The Parotid gland is mainly _________ and has few scattered ________ acini

Answer 7

serous and mucous

Question 8

Extent of the Parotid Gland:

Superior = Zy____tic Arch

Inferior = upper part of the n__k (overlaps poste. belly of digastric + SCM-Ante. border)

Anterior = It overlaps ma___ter

Posterior = below external ac__ic meatus and mas__id process

Answer 8

1. Zygomatic
2. neck
3. masseter
4. acoustic ,mastoid

Question 9

Extent of the Parotid Gland:

Superior = ____________

Inferior = ________________ (overlaps poste. belly of digastric + SCM-Ante. border)

Anterior =________________

Posterior =_________________

Answer 9

1. Zygomatic Arch
2. upper part of the neck
3. It overlaps masseter
4. below external acoustic meatus and mastoid process

Question 10

Investing fascia splits to __________ the parotid gland

Answer 10

surround

Question 11

RELATIONS OF PAROTID GLAND
Surfaces =

3.

Answer 11

1. Lateral (superficial)
2. anteromedial
3. posteromedial

Question 12

Lateral surface consist of :

1. S__n
2. su__cial fascia
3. deep ce__cal fascia (investing layer)

Answer 12

1. Skin
2. superficial fascia
3. deep cervical fascia (investing layer)

Question 13

Lateral surface consist of :

Answer 13

1. Skin
2. superficial fascia
3. deep cervical fascia (investing layer)

Question 14

Anteromedial surface consist of :

Answer 14

1. Masseter
2. Mandibular ramus
3. medial pterygoid muscle
4. parotid duct
5. facial nerve

Question 15

Posteromedial surface consist of:

1. Ma__oid process
2. ster__cleidomastoid
3. Posterior belly of the dig__ric muscle
4. Sty__id process
5. Stylo__oid Muscle
6. Stylog__ssus Muscle
7. Stylo__ayrngeus muscle

Answer 15

1. Mastoid process
2. sternocleidomastoid
3. Posterior belly of the digastric muscle
4. Styloid process
5. Stylohyoid Muscle
6. Styloglossus Muscle
7. Stylophayrngeus muscle

Question 16

Posteromedial surface consist of:

Answer 16

1. Mastoid process
2. sternocleidomastoid
3. Posterior belly of the digastric muscle
4. Styloid process
5. Stylohyoid Muscle
6. Styloglossus Muscle
7. Stylophayrngeus muscle

Question 17

Parotid duct and facial nerve runs deep to ______ border

Answer 17

anterior

Question 18

_________ and _________ runs deep to anterior border

Answer 18

Parotid duct and facial nerve

Question 19

Terminal Branches of ECA that is a little behind the parotid duct and facial nerve are the?

Answer 19

Superficial temporal + maxillary artery.

Question 20

The Facial nerve gives of __ branches that become the __________ plexus

Answer 20

5, Parotid plexus

Question 21

The parotid plexus is in front of the ____________ vein

Answer 21

retromandibular

Question 22

The 5 branches of the Facial nerve are:

1. te__oral Nerve
2. zy__atic nerve
3. b_ccal nerve
4. Marginal man__ular branch
5. c___ical branch

Answer 22

1. temporal Nerve
2. zygomatic nerve
3. buccal nerve
4. Marginal mandibular branch
5. cervical branch

Question 23

The 5 branches of the Facial nerve are:

Answer 23

1. temporal Nerve

(frontalis, corrugator supercilli, procerus)

2. zygomatic nerve ( orbicularis oculi)
3. buccal nerve ( buccinator, levator labi, anguli oris, orbicularis oris)
4. Marginal mandibular branch (depressor labii inferioris)
5. cervical branch( platysma)

Question 24

Retromandibular vein is formed by :

Superficial ______ vein and ______ Vein

Answer 24

Temporal, Maxillary

Question 25

Retromandibular vein is formed by?

Answer 25

Superficial Temporal vein and Maxillary Vein

Question 26

Retromandibular V. exits through the lower pole of the gland and Divides into two: Anterior branch joins ______ vein Posterior branch + Posterior Auricular vein = ________________

Answer 26

facial, External Jugular Vein

Question 27

The Parotid Duct is 1. _cm long 2. Passes across the _______ , Turns around its anterior border 3. Pierecs the ________ 4. Opens on mucous membrane at the side of the cheek opposite the _nd molar tooth

Answer 27

1. 5 2. masseter 3. buccinator 4. 2

Question 28

The Arterial supply to the Parotid gland is the ______1_____ The Venous drainage to the Parotid gland is the ______2____

Answer 28

1. External Carotid Artery | 2. Retromandibular Vein

Question 29

Innervation: Sympathetic = superior Cervical plexus through plexus on ___ Parasympathetic = Aur___otemporal nerve (secretomotor)

Answer 29

1. ECA | 2. Auriculotemporal

Question 30

APPLIED CLINICAL ANATOMY Deep lobe tumours Deep Part of the parotid that extends behind the mandibular ramus Lies just lateral to the superior constrictor pharynx When a parotid tumour, either benign or malignant, occurs in the deep 'lobe', The mass presents as a: 1. _______ in the lateral wall of the pharynx and not the face

Answer 30

swelling

Question 31

APPLIED CLINICAL ANATOMY Gustatory sweating (Frey's syndrome or auriculotemporal syndrome) commonly occurs following parotid _________ or other surgery or trauma that results in opening of the parotid capsule or damage to the parotid gland or to the auriculotemporal nerve.

Answer 31

surgery

Question 32

Frey's syndrome is characterized by 1. sw__ting, 2. w__mth 3. re__ness of the face as a result of salivary stimulation by the smell or taste of food

Answer 32

1. sweating, 2. warmth 3. redness of the face as a result of salivary stimulation by the smell or taste of food

Question 33

NUCLEI OF THE FACIAL NERVE: 1. Special visceral afferent : (originate from nucleus _________) carrying taste sensation from anterior 2/3 of the tongue. 2. Special visceral efferent: (originate from motor _____ nucleus) supplying muscles developed from the 2nd pharyngeal arch i.e muscles of facial expression 3. General visceral efferent: (originate from superior _____ nucleus) sends parasympathetic secretory fibers to submandibular, sublingual, lacrimal, nasal & palatine glands.

Answer 33

1. nucleus solitarius 2. motor facial nucleus 3. superior salivatory nucleus

Question 34

FIBERS OF THE FACIAL NERVE: 1. Special visceral afferent : (possess nucleus solitarius) carrying taste sensation from ________ 2/3 of the tongue. 2. Special visceral efferent: (possess motor facial nucleus) supplying muscles developed from the ______________ i.e muscles of facial expression 3. General visceral efferent: (possess superior salivatory nucleus) sends ______________ secretory fibers to submandibular, sublingual, lacrimal, nasal & palatine glands.

Answer 34

1. anterior 2/3 2. 2nd pharyngeal arch 3. parasympathetic secretory fibers

Question 35

The facial nerve emerges from the ______________ angle by 2 roots (Medial motor root AND Lateral root)

Answer 35

cerebellopontine angle

Question 36

The facial nerve emerges from the cerebellopontine angle by 2 roots: 1. Medial motor root: contains _____ fibers. 2. Lateral root (nervous intermedius): contains __________ & _______ fibers.

Answer 36

1. motor fibers | 2. parasympathetic & taste

Question 37

The Facial nerve runs in the posterior cranial fossa through the internal _______ meatus then to the _______canal then to the _________ foramen it then enters and ends at the ________ gland

Answer 37

1. internal auditory meatus 2. facial canal 3. stylomastoid foramen 4. parotid

Question 38

Greater petrosal nerve: carries preganglionic parasympathetic fibers to 1. na_al glands 2. la__imal glands 3. pa__tine glands. MNEMONIC: NPL glands

Answer 38

1. nasal glands 2. lacrimal glands 3. palatine glands.

Question 39

Chorda tympani: carries: a) preganglionic parasympathetic fibers to sub__ndibular & subl__gual glands. MNEMONIC: SUB ML b) taste fibers from anterior 2/3 of tongue.

Answer 39

a. submandibular & sublingual glands.

Question 40

Geniculate ganglion: lies in internal acoustic meatus , contains _________ of _________ carrying taste sensations from anterior 2/3 of tongue.

Answer 40

cell bodies of neurons

Question 41

______________ lies in internal acoustic meatus , contains cell bodies of neurones carrying taste sensations from anterior 2/3 of tongue.

Answer 41

Geniculate ganglion

Question 42

Just after emergence from stylomastoid foramen the facial nerve gives off 2 branches: 1. Posterior ________: to occipitofrontalis. 2. Muscular branches to posterior belly of _________ & ________.

Answer 42

1. auricular | 2. digastric & stylohyoid.

Question 43

Inside parotid gland the facial nerve gives off 5 branches: 1. te__ral 2. zy__matic, 3. b__cal, 4. ma__ibular 5. ce__ical

Answer 43

1. temporal 2. zygomatic, 3. buccal, 4. mandibular 5. cervical

Question 44

Bell’s Palsy Damage to facial nerve results in paralysis of muscles of ______ _______ : (Bell’s palsy); lower motor neuron lesion (whole face affected) NB. In upper motor neuron lesion (upper face is intact)

Answer 44

facial expressions

Question 45

In bells palsy the Face is distorted leading to?

Answer 45

drooping of lower eyelid, sagging of the angle of the mouth, dribbling of saliva, loss of facial expressions, loss of chewing, blowing, sucking, unable to show teeth or close the eye on affected side