Week 1 Wet Room

Question 1

The most common type pf joint seen between most bones in the skull is the

Answer 1

Suture joint

Question 2

The skull is divided into 3 parts

Answer 2

The neurocranium
Facial Skull
Mandible

Question 3

Which part of the skull bone houses red marrow

Answer 3

Spongey bone (dipole)

Question 4

Between what bones does the saggital suture lie

Answer 4

Parietal

Question 5

Between what bones does the coronal suture lie

Answer 5

Parietal and frontal

Question 6

Between what bones does the lambdoid suture lie

Answer 6

Occipital and Parietal

Question 7

Name the bones of the facial skeleton

Answer 7

Frontal
Nasal
Zygomatic
Maxilla
Mandible
Lacrimal

Question 8

Where is the occipital protuberance located

Answer 8

Occipital bone

Question 9

Where is the mastoid process located

Answer 9

Temporal bone

Question 10

What is the zygomatic arch part of

Answer 10

Zygomatic and temporal

Question 11

What is the styloid process part of

Answer 11

Temporal bone

Question 12

What are the 3 fossae of the flow of the skull

Answer 12

Anterior Cranial Fossa
Middle Cranial Fossa
Posterior Cranial Fossa

Question 13

Name the parts of the floor of the skull that belong to the sphenoid bone

Answer 13

The body
Pituitary fossa
Greater wing
Lesser wing

Question 14

What is the largest foramen that you can see in the posterior cranial fossa

Answer 14

Foramen Magnum

Question 15

Name two structures that pass through the foramen magnum

Answer 15

Medulla and Meninges
CN XI
Dural veins
Right and Left vertebral arteries
Anterior and Posterior spinal arteries

Question 16

What bone is the superior nuchal line part of

Answer 16

Occipital

Question 17

Which two bones form the zygomatic arch

Answer 17

Anteriorly- Zygomatic bone (temporal process)

Posteriorly- Temporal bone (zygomatic process)

Question 18

What type of joint is present between the bones that form the zygomatic arch

Answer 18

Oblique suture

Question 19

Name the 5 lairs of the scalp

Answer 19

Skin
Connective tissue
Aponeurosis of the occipitofrontal muscle (Epicranial aponeurosis)
Loose connective tissue
Pericranium

Question 20

Contraction of the anterior belly of the occipitofrontalis action produced

Answer 20

Elevates eyebrows and wrinkles skin on forehead

Question 21

What are the 2 sources of cutaneous innervation of the scalp

Answer 21

Anterior part of scalp- branches of Trigeminal nerve (Cranial nerve V)
Posterior part of scalp- cutaneous branches of the cervical spine C2 and C3

Question 22

What structure forms the ventral rami of C5 and T1 and what does it innervate

Answer 22

Brachial plexus

Skin and musculature of the upper limb

Question 23

In which layer of the scalp are blood vessels present

Answer 23

Connective tissue layer

Question 24

Lacerating wounds of the scalp would cause the dense connective tissue of scalp to retract preventing vasoconstriction of arteries. Would wounds to the scalp bleed profusely or sparingly

Answer 24

Profusely, because the vessels are unable to vasoconstrict to reduce the bleeding

Question 25

What arterial branches of the scalp are supplied by the external carotid artery

Answer 25

Superficial temporal Posterior auricular artery Occipital artery

Question 26

What arterial branches of the scalp are supplied by the internal carotid artery

Answer 26

Supratrochlear artery | Supra-orbital artery

Question 27

Which artery in the neck is the superficial temporal artery a branch of

Answer 27

External carotid artery

Question 28

Name the veins of the head and neck

Answer 28

``` Subclavian vein External and internal Jugular vein Anterior Jugular vein Superficial temporal vein Facial vein Supratrochlear vein Supra-orbital vein ```

Question 29

What are emissary veins

Answer 29

Veins that anatomise with diploic veins in the skull bones through valveless veins called emissary veins

Question 30

What is diploe

Answer 30

Spongey cancellous bone separating the inner and outer layers of the cortical bone of the skull

Question 31

What potential grave complication could arise from scalp infections due to the presence of emissary veins

Answer 31

Can spread to dural venous sinuses causing venous thrombosis and intracranial infection

Question 32

Are there any lymph nodes in the neck

Answer 32

No lymph drains away from scalp to lymph nodes in the head and neck

Question 33

How does the muscles of facial expression differ from skeletal muscles

Answer 33

Located in the subcutaneous tissue and insert into the dermis of the skin overlying the scalp, face and anterolateral neck

Question 34

Name the key muscles of facial expression

Answer 34

``` Occipitalis muscle (frontal belly and occipital belly) Orbicularis oculi Orbicularis fris Buccinator Platysma ```

Question 35

What nerve innervates the muscles of facial expression

Answer 35

Cranial nerves VII (facial nerves)

Question 36

From which foramen in the cranial cavity does the facial nerve emerge onto the side of the face

Answer 36

Stylomastoid Foramen

Question 37

What are the 2 bony points on either side of the face

Answer 37

Styloid process and Mastoid process

Question 38

What is the gland on either side of the face

Answer 38

Parotid gland

Question 39

What would happen to the following as a result of facial palsy: Eyelids Corner of the mouth Cheek during chewing

Answer 39

Fall away from the surface of the eyeball Drooping of the corner Food will accumulate in the oral vestibule

Question 40

Name the salivary glands

Answer 40

Parotid Submandibular Sublingual

Question 41

What type of gland is the parotid gland

Answer 41

Exocrine gland- release chemical substances through ducts

Question 42

Which nerve branches can you see emerging from the anterior border of the parotid gland

Answer 42

Buccal branch, marginal mandibular branch (VII)

Question 43

Describe the course of the parotid duct

Answer 43

Superficial to masseter muscle and then pierces the buccinator muscle to open into the oral cavity

Question 44

Where does the parotid duct open into the oral cavity

Answer 44

Through a small orifice opposite the second maxillary molar tooth

Question 45

Name the cranial nerve, artery and vein which pass into the parroted salivary gland

Answer 45

Cranial nerve- CNVII Artery- external carotid artery Vein- Retromandibular vein

Question 46

What type of innervation does the parotid gland receive

Answer 46

Sympathetic and parasympathetic

Question 47

Which division of the autonomic nervous system would be secretomotor to the parotid salivary gland

Answer 47

Parasympathetic

Question 48

Which cranial nerve carries parasympathetic fibres destined for the parotid gland

Answer 48

CNIX Glossopharyngeal

Question 49

Where does the sympathetic innervation of the parotid gland originate from

Answer 49

Cervical ganglia through the external carotid nerve plexus

Question 50

What bone does the facial artery wind around to reach the face

Answer 50

Body of mandible

Question 51

What muscle on the side of the face lies immediately posterior to the facial artery as it enters onto the face

Answer 51

Masseter

Question 52

Just before it enters onto the side of the face what gland does the facial artery groove

Answer 52

Submandibular gland

Question 53

Where does the facial artery end

Answer 53

medial commisura of the eye as the angular artery

Question 54

Which major vein does the facial vein and superficial temporal vein drain into

Answer 54

External jugular vein

Question 55

Cranial Nerve I

Answer 55

Olfactory | Sensory

Question 56

Cranial nerve II

Answer 56

Optic | Sensory

Question 57

Cranial nerve III

Answer 57

Oculomotor | Motor

Question 58

Cranial nerve IV

Answer 58

Trochlear | Motor

Question 59

Cranial nerve V

Answer 59

Trigeminal | Mixed

Question 60

Cranial nerve VI

Answer 60

Abducent | Motor

Question 61

Cranial nerve VII

Answer 61

Facial | Mixed

Question 62

Cranial nerve VIII

Answer 62

Vestibulocochlear | Sensory

Question 63

Cranial nerve IX

Answer 63

Glossopharyngeal | Mixed

Question 64

Cranial nerve X

Answer 64

Vagus | Mixed

Question 65

Cranial nerve XI

Answer 65

Accessory | Motor

Question 66

Cranial nerve XII

Answer 66

Hypoglossal | Motor