TEST 4 ANATOMY OF SKULL

Question 1

Deals with the bones that surround the brain

Answer 1

Neurocranium

Question 2

Skull is divided into what two “craniums”

Answer 2

Neurocranium (braincase)

Viscerocranium (face)

Question 3

Bones that make up the face

Answer 3

Viscerocranium

Question 4

If Bone has a left side and right Side to it = ______

Answer 4

Paired

Question 5

If Bone is unpaired, it extends ?

Answer 5

From one side of the skull to the other (typically)

Question 6

A total of ___ bones make up the skull

Answer 6

22 bones

Question 7

Frontal bone is PAIRED/UNPAIRED

Answer 7

UNPAIRED

Question 8

Parietal bone is PAIRED/UNPAIRED.

Answer 8

PAIRED

Question 9

What are the Parietal bones separated from the frontal bone by?

Answer 9

The Coronal suture

Question 10

Separates the Left parietal bone from the right parietal bone

Answer 10

Sagittal suture

Question 11

The occipital bone is PAIRED/UNPAIRED.

Separated from the parietal bones with the ______ suture.

Answer 11

Occipital bone is unpaired

Separated from parietal bones by the lambdoid suture

Question 12

Temporal bone is PAIRED/UNPAIRED.

Answer 12

PAIRED.

Question 13

This is an air filled bone that can become infected.

Answer 13

Mastoid process

Question 14

What type of condition could lead to hearing loss with mastoiditis?

Answer 14

Frequent ear infections

Question 15

Where the vertebral column, C1, articulates with the skull. (How the skull sits on top of the vertebral column)

Answer 15

Occipital condyle

Question 16

Separates the temporal bone from the other bones

Answer 16

Squamous suture

Question 17

What exits through foramina (foramen)

Answer 17

Nerves and blood vessels

Question 18

Where the upper teeth are inserted

Answer 18

Maxilla

Question 19

These form the zygomatic arch

Answer 19

Zygomatic process of the temporal bone

Temporal process of the zygomatic bone

Question 20

Where we hold jaw lift.

Why is this the best place for a jaw lift? (2 reasons)

Answer 20

Angle of the mandible

Opens airway anteriorly
Pain= stimulus for breathing

Question 21

Attachment point for the tongue and other muscles of the throat and mouth.

Answer 21

Styloid processes

Question 22

Where sound enters on its way to the ear drum

Answer 22

External acoustic meatus

Question 23

Forms the roof of the orbit

2

Answer 23

Frontal bone

Sphenoid bone

Question 24

Makes “butt chin”

Answer 24

Genu

Question 25

Forms the medial wall of the orbit (3)

Answer 25

Ethmoid bone Lacrimal bone Palatine bone

Question 26

Forms the floor of the orbit

Answer 26

Maxilla

Question 27

Forms the lateral aspect of the orbit (2)

Answer 27

Zygomatic bone | Sphenoid bone

Question 28

Very small bone part of the medial wall of the orbit

Answer 28

Palatine bone

Question 29

Weak point of the orbit

Answer 29

Where zygomatic bone meets the frontal bone

Question 30

Fossa where the frontal lobes sit

Answer 30

Anterior cranial fossa

Question 31

These 3 structures make up the ethmoid bone

Answer 31

Crista Galli Olfactory foramina Cribriform plate

Question 32

One of the attachment sites for the dura mater (outer most meningeal membrane) (in the ethmoid bone)

Answer 32

Crista galli

Question 33

What passes through the olfactory foramina?

Answer 33

Olefactory neurons; cranial nerve I

Question 34

One of the parts of the skull that is broken a lot in MVAs. Causes CSF to leak out of someone's nose when this is broken.

Answer 34

Cribriform plate

Question 35

Has a greater wing and a lesser wing

Answer 35

Sphenoid bone

Question 36

The optic foramen are located in what wing of the sphenoid bone? What passes through it?

Answer 36

The lesser wing Where the ophthalmic arteries and optic pathways pass through

Question 37

Pituitary gland sits in this structure

Answer 37

Sella turcica

Question 38

What is one of the first signs/symptoms of a pituitary tumor?

Answer 38

Visual disturbances

Question 39

Where common carotid passes through to bring blood up to the brain

Answer 39

Carotid canal

Question 40

Fossa where the temporal lobes sit

Answer 40

Middle cranial fossa

Question 41

Where the most superior part of the spinal cord becomes/blends in with the brainstem

Answer 41

Foramen magnum

Question 42

Most superior part of the spinal cord is ____ which blends in with most inferior part of the brainstem, the ______

Answer 42

C1 blends with medulla

Question 43

Fossa where cerebellum sits

Answer 43

Posterior cranial fossa

Question 44

Internal jugulars pass through here bringing venous blood (deoxygenated bood) back to the heart

Answer 44

Jugular foramen

Question 45

Carotid canal: Bone location? Structures that pass through?

Answer 45

Temporal bone Internal carotid Sympathetic nerve plexus

Question 46

Jugular Foramen Bone location? Structures?

Answer 46

Between temporal and occipital bone ``` Internal jugular veins (L/R) CN IX (glossopharyngeal) CN X (vagus) CN XI (spinal accessory) ```

Question 47

Optic Foramen Bone location? Structures that pass through?

Answer 47

Sphenoid bone ``` CN II (optic) Ophthalmic arteries ```

Question 48

Olfactory foramen: Bone location? Structures that pass through?

Answer 48

``` Ethmoid bone CN I (olfactory) ```

Question 49

Foramen Magnum: Bone location? Structures?

Answer 49

Occipital bone ``` Spinal cord/inferior medulla oblongata CN XI (spinal accessory) Vertebral arteries ```