HEAD REGION

Question 1

Neurocranium

Viscerocranium

Answer 1

N: Protects the brain
- Vasculature of the brain, skull cap, cranial floor
V: Facial skeleton
- Anterior part of the cranium (mouth, nose, most of the orbits)

Question 2

SCALP

Answer 2

• Covers the neurocranium from the superior nuchal lines to the supraorbital margins of the frontal bone
• Skin - Sweat glands and hair follicles
• Connective tissue - Dense subcutaneous layer, highly vascularized
• Aponeurosis - Covers the calvaria, attachment for muscles
• Loose areolar tissue - Sponge-like area that spaces that will distend with fluid if injured
• Pericranium - Dense layer of connective tissue

Question 3

Cerebrum:

• Separated by
• Lobes

Answer 3

• Longitudinal fissure
• Frontal, parietal (sensory information gets integrated - sensory/auditory), Temporal (hearing, auditory processing, language, speech), occipital

Question 4

Diencephalon

Answer 4

Epithalamus, thalamus and hypothalamus

Question 5

Brainstem

Answer 5

Midbrain, pons, medulla oblongata

Question 6

Cerebellum

Answer 6

Voluntary movement

Question 7

Occulomotor innervates

Answer 7

Superior, medial, inferior rectus/oblique

Visual tracking or vergence

Question 8

Trochlear innervates

Answer 8

Superior oblique

Looking down in either direction

Question 9

Trigeminal innervates

- Parts

Answer 9

Sensory info from the face

• Ophthalamic
• Maxillary
• Mandibular

Question 10

Abducent nerve innervates

Answer 10

Lateral rectus

Abducts eye

Question 11

Facial nerve roots

- Parts

Answer 11

• Intermediate: carries taste
• Motor: Controls facial expressions
• Temporal, zygomatic, buccal, mandibular, cervical

Question 12

Vestibulocochlear branches

Answer 12

Vestibular: Maintains balance in the inner ear
Cochlear: Hearing

Question 13

Glossopharyngeal

Answer 13

Motor part of the tongue and posterior part

Tonsils and pahrynx: Sensory

Question 14

Hypoglossal

Answer 14

Innervates the muscles of the tongue