Neuro Quiz- Cranium

Question 1

What are the paired cranial vault bones?

Answer 1

1. Parietal
2. Temporal
3. Lascrimal
4. Nasal bone
5. Inferior nasal concha
6. Zygomatic
7. Palatine
8. Maxilla

Question 2

What are the unpaired bones of the cranial vault?

Answer 2

1. Frontal
2. Occipital
3. Ethniod
4. Sphenoid
5. Vomer
6. Mandible

Question 3

What part of the skull is soft?

Answer 3

The Pterion

Question 4

Name the sutures of the skull.

Answer 4

1. Coronal
2. Metopic
3. Squamsosal
4. Lambdoid
5. Sagittal

Question 5

What bone structure holds the pituitary gland?

Answer 5

The Stella Turkic’s, part of the sphenoid bone

Question 6

The sphenoid bone holds how many CN?

Answer 6

5

Question 7

What is cranial nerve V?

Answer 7

Trigeminal

Question 8

What are the 3 Trigeminal nerves?
V1
V2
V3

Answer 8

V1 - ophthalmia
V2- maxillary
V3- mandibular

Question 9

List the CN in each segment of the brain.

Answer 9

CE (2) = I , II
MI (2) = III, IV
PONS (4) = V, VI, VII, VIII
MEDU (4)= IX, X, XI, XII

Question 10

Anterior Fossa
Name the nerve and Fossa

Answer 10

I olfactory in the cribriform fossa

Question 11

What nerves are in the Middle Fossa?

Answer 11

II through VI (2-6), internal carotid artery, and middle Meningeal artery

Question 12

What cranial nerves are in the posterior fossa?

Answer 12

VII (7) through XII (12), Internal jugular vein, Brainstem/Spinal cord

Question 13

What foramen contains the optic nerve?

Answer 13

Optic canal

Question 14

What foramen contains the olfactory nerve?

Answer 14

Cribriform

Question 15

The superior orbital fissure contains what structures?

Answer 15

Oculomotor Nerve
Trochlear Nerve
Trigeminal
V1- ophthalmic
Abducens Nerve

Question 16

What structure in found in the foramen Rotundum?

Answer 16

V2- Maxillary Branch

Question 17

What structure in found in the foramen ovale?

Answer 17

V3- Mandibular Branch

Question 18

What Structure is found in the foramen Lacrum?

Answer 18

Internal Carotid Artery

Question 19

What structure is found in the foramen spinosum?

Answer 19

The middle Meningeal Artery

Question 20

What is found in the Internal acoustic meatus?

Answer 20

VII facial nerve
VIII Vestibulocochlear

Question 21

What structures are in the jugular foramen?

Answer 21

IX Glossopharyngeal
X Vagus
XI Accessory
Internal Jugular Vein

Question 22

What structure is in the hypoglossal canal?

Answer 22

XII Hypoglossal Nerve

Question 23

What structures are in the Foramen Magnum?

Answer 23

Spinal cord and brain stem

Question 24

What makes the falx cerebri?

Answer 24

The Meningeal layer of the dura

Question 25

The dura splits in what two layers?

Answer 25

Meningeal Layer and periosteal layer

Question 26

What structure is made by the dura mater (periosteal and Meningeal layers)?

Answer 26

The superior sagittal sinus

Question 27

What layer is though, fibrous outer layer that provides the primary structural support, attaching the brain to the skull and forming folds that help stabilize the brain movement within the cranial cavity?

Answer 27

Dura Mater

Question 28

What layer is delicate, web-like middle layer creates the subarachnoid space where CSF circulates, acting as a shock absorber and cushioning the brain?

Answer 28

Arachnoid mater

Question 29

What thin layer, innermost layer directly adheres to the brain surface, providing a pathway for blood vessels to deliver nutrients and oxygen to the brain?

Answer 29

Pia

Question 30

The epidural space lies between what structures?

Answer 30

Between the skill and dura

Question 31

What space is between the dura and arachnoid layer?

Answer 31

Subdural space

Question 32

Where is the subarachnoid space located?

Answer 32

Between the arachnoid and pia mater

Question 33

Where is the middle Meningeal artery located?

Answer 33

In the epidural space lies

Question 34

Where are the bridging veins located?

Answer 34

Subdural space

Question 35

Where does the CSF circulates and major arteries located?

Answer 35

In the subarachnoid space

Question 36

What are the functions of the CSF?

Answer 36

1. Protection 2. Buoyancy 3. Chemical stability 4. Metabolite removal 5. Hormones and neuropeptide transport

Question 37

What is the flow of CSF?

Answer 37

1. Lateral ventricles 2. Interventricular foramen or foramen of Monro 3. Third ventricle (thalamus and hypothalamus) 4. Cerebral aqueduct 5. Fourth ventricle 6. Foramen luschka/magendie 7. Subarachnoid space (brainstem/ spinal cord) 8. Absorbed through the arachnoid granulations 9. Returned to the venous circulation via dural sinuses

Question 38

Describe an epidural hemorrhage.

Answer 38

- lens shape - external blow with fx to temporal bone (Pterion) leading to rupture of middle Meningeal Artery - S/S: none initially - untreated: inc. HA, inc. ICP, inc. brain herniation, death

Question 39

Describe Subdural hemorrhage?

Answer 39

Crest shape Blunt trauma without fx. Rupture or sheering of the bridging veins Chronic: slow HA, cognitive impairments, unsteady gait. Focal dysfunction and seizures Acute: high impact and involve other serious injuries

Question 40

Describe subarachnoid hemorrhage?

Answer 40

Rupture of major arteries and veins Non-traumatic —> arterial aneurysms Traumatic —> Inc. HA, brainstem herniation, death, coma

Question 41

Describe intracerebral/ intraparenchymal hemorrhage?

Answer 41

Bleeding in the brain tissue. Large arteries —> cerebral lobes Small arteries —> HTN Non-traumatic —> HTN Traumatic —-> contusion