Head And Neck

Question 1

How many bones does the skull have and into what groups are they separated?

Answer 1

28 bones total.

2 parts: Cranium & Bones of the face.

Question 2

Name the 4 largest bones of the skull.

Answer 2

Parietal
Frontal
Occipital
Temporal

Question 3

List all other bones of the skull.

Answer 3

Mandible
Spheniod
Nasal
Ethmoid
Maxilla
Lacrimal
Zygomatic

Question 4

Describe the air sinuses of the skull.

Answer 4

Compartments in the bones lined with mucous membranes.
Makes skull lighter
Allows sound to resonate.
Clarity of speech.

Question 5

Describe the pterion.

Answer 5

H shaped joint.
The juncture of 4 bones.
Suture joints.
Has underlying branch of middle meningeal artery.

Question 6

Describe the temperomandibular joint. ‘TMJ’

Answer 6

Double synovial joint with intra-articular disc.
Disc divides joint into upper and lower.
Hinge between mandible & disk.
sliding joint between disc & temporal bone.
High force (chewing)
Fine control (Speech)

Question 7

Describe the arterial pathway.

Answer 7

Aorta, Brachiocephalic - vertebral, common carotids - Basilar, External carotids, Internal carotids.

Question 8

Describe the venous return.

Answer 8

Internal Jugular, External Jugular, Vertabral veins - Subclavian veins - Superior Vena Cava.

Question 9

List the Cranial Nerves by letter (Name)

Answer 9

O.O.O.T.T.A.F.V(A).G.V.A(S).H.

Question 10

List the Cranial Nerves by Letter (Function)

Answer 10

S.S.M.M.B.M.B.S.B.B.M.M

Question 11

List the Functions of the Cranial Nerves.

Answer 11

I) Olfactory - Smell (sensory)
II) Optic - Sight (Sensory)
III) Oculomotor - Moves Eye (Motor)
IV) Trochlea - Moves Eye (Motor)
V) Trigeminal - Bite and Scratch (Sensory & Motor)
VI) Abducent - Moves Eye (Motor)
VII) Facial - Taste & Facial Muscles (Sensory & Motor)
VIII) Auditory - Sound and Sea Legs(balance) (Sensory)
IX) Glossopharyngeal - Motor & Sensory to Throat (Sensory & Motor)
X) Vagus - Sensory & Motor to Visceral Organs (Sensory & Motor)
XI) Spinal Accessory - Motor (shrugs) (Motor)
XII) Hypoglossal - Tongue (Motor)

Question 12

List the muscles of the face.

Answer 12

Frontalis.
Temporalis.
Nasalis.
Obicularis Oculi.
Masseter.
Orbicularis Oris.

Question 13

List the muscles of the neck.

Answer 13

Mylohyoid
Digastric
thyrohyloid
sternohyoid
Sternocleidomastoid