Week 3

Question 1

Vertebral artery is branch of:

Answer 1

Subclavian Artery

Question 2

2 branches of vertebral artery

Answer 2

Arterior spinal artery

Posterior spinal arteries

Question 3

Arteriovenous malformation =

Answer 3

Arteries connected directly to veins

Question 4

2 pairs of arterial vessels in brain

Answer 4

Internal carotid arteries

Vertebral arteries

Question 5

Interior carotid artery enters via ___

Answer 5

Foramen lacerum

Question 6

5 branches of internal carotid artery

Answer 6

Ophthalmic A
Posterior communication A
Anterior communication A
Anterior cerebral A
Middle cerebral A

Question 7

Central artery of the retina is a branch of ____ Artery

Answer 7

Ophthalmic artery

Question 8

Posterior communicating artery is a common site of

Answer 8

Berry aneurisms

Question 9

Anterior choroidal artery supplies

Answer 9

Choroid plexus

Question 10

Anterior cerebral artery originates at ___ of internal carotid artery, lies along the ____ fissure
Supplies ____ area of sensory and motor cortices (paracentral lobule)

Answer 10

Bifurcation
Longitudinal fissure
Leg and foot area

Question 11

Most COMMON site of berry aneurisms

Answer 11

Anterior communicating artery

Question 12

_____ artery supplies Broca and Wernicke speech areas.

Answer 12

Middle cerebral artery

Question 13

Vertebral artery reconnects into ___ at junction of medula and pons

Answer 13

Basilar Artery

Question 14

Basilar artery split into 5 branches

Answer 14

Pontine A
Labyrinthine A
Anterior Inferior cerebellar artery
Superior cerebellar artery 
Posterior cerebral artery

Question 15

Anterior Inferior cerebellar Artery supplies hypothalamospinal tract (___)

Answer 15

Horner syndrome

Question 16

Posterior cerebral artery formed by bifurcation of ___
Provides major blood supply to ___
Main supply to ___ and ___

Answer 16

Basilar A
Midbrain
Occipital lobe
Visual cortex

Question 17

Anterior cerebral artery occlusions affect paracentral lobule causing ___ somatosensory loss
Infarction affecting ____ leads to dyspraxia )inability to perform regular tasks) and tactile agnosia

Answer 17

CONTRALATERAL

Corpus callosum

Question 18

Middle cerebral artery lesions; eyes will deviate to which side

Answer 18

Side of lesion

Question 19

Meningeal arteries arise from:

Answer 19

External carotid artery

Question 20

Branches of meningeal arteries

Answer 20

Anterior
Middle
Posterior

Question 21

Middle meningeal artery enters via :

Answer 21

Foramen spinosum

Question 22

Superficial cerebral veins drawn into superior sagittal sinus via ___
AKA ___

Answer 22

Bridging veins

Emissary veins

Question 23

Great vein of ___ receives blood from internal cerebral veins and drains into ___sinus

Answer 23

Galen

Straight sinus

Question 24

Straight sinus drains into (RIGHT/ LEFT) transverse sinus

Answer 24

Left

Question 25

Super sagittal sinus drains into (RIGHT/ LEFT) transverse sinus

Answer 25

Right

Question 26

___ sinus passes into jugular foramen

Answer 26

Sigmoid

Question 27

Which nerve lies WITHIN the cavernous sinus near the internal carotid artery?

Answer 27

CN VI | Abducens

Question 28

Subdural hematoma typically results from rupture of ___ veins

Answer 28

Superior cerebral veins

Question 29

Epidural hematoma results from rupture of ___ artery

Answer 29

Middle meningeal artery

Question 30

Optic nerve (CN II) is a pure ___ nerve

Answer 30

Sensory

Question 31

Oculomotor Nerve (CN III) is a pure ___ nerve Arises from ? Passes through ___ fissure

Answer 31

Motor Central midbrain Superior orbital fissure

Question 32

Trochlear nerve (CN IV) emerges from dorsal ___ and passes through ___ fissures. Innervates the superior ___ muscle

Answer 32

Midbrain Superior orbital fissure Superior oblique muscle

Question 33

3 divisions of Trigeminal nerve (CN V)

Answer 33

Ophthalmic V1 Maxillary V2 Mandibular V3

Question 34

ABducens (CN VI) ___ the lateral rectus of the eye

Answer 34

ABducts

Question 35

``` Facial Nerve (CN VII) is a ___ nerve. Motor, sensory, and parasympathetic function but does NOT innervate ____ gland ```

Answer 35

Mixed nerve | Parotid

Question 36

Motor functions of CN VII (facial) include :

Answer 36

Facial expression

Question 37

Sensory function of CN VII (facial) is taste from ____ of the tongue

Answer 37

Anterior 2/3

Question 38

Parasympathetic innervation of CN VII (facial) are what 3 glands? NOT ___ gland

Answer 38

Lacrimal Sublingual Submandibular NOT parotid

Question 39

Glossopharyngeal nerve (CN IX) conduct taste of the posterior __ and which reflex?

Answer 39

Posterior 1/3 | Gag reflex

Question 40

Glossopharyngeal nerve provides motor fibers for __ salivary gland.

Answer 40

Parotid

Question 41

Vagus (CN X) motor fibers are ___ in nature to the heart, lungs, and visceral organs

Answer 41

Parasympathetic

Question 42

Sensory function of vagus Nerve (CN X) is___

Answer 42

Taste

Question 43

``` Accessory nerve (CN XI) exits through ___ foramen Innervates __ and __ which move the head and neck ```

Answer 43

Jugular foramen Trapezius Sternocleidomastoid

Question 44

``` Olfactory N (CN I) is the only cranial nerve that projects directly to ___ Only sensory system that has no precortical relay in the ___ ```

Answer 44

Forebrain | Thalamus