Scull, Meninges, Gross brain

Question 1

What are the 3 parts of the cranial fossae

Answer 1

Anterior, Middle, Posterior

Question 2

What seperates the anterior and middle cranial fossae

Answer 2

spehnoidal crest

Question 3

What seperates the middle and posterior cranial fossa

Answer 3

superior border of petrous part of temporal bone

Question 4

Anterior cranial fossa is formed by which bones

Answer 4

Frontal, Ethmoid, Sphenoid

Question 5

Which lobe of the brain does the anterior cranial fossa hold

Answer 5

frontal lobes

Question 6

Which bones make up the middle cranial fossa

Answer 6

Sphenoid, parietal, temporal (petrous)

Question 7

What part of the brain does the middle cranial fossa hold

Answer 7

temporal lobes

Question 8

Which fossa does the temporal lobe sit in

Answer 8

middle

Question 9

Which fossa does the frontal lobe sit in

Answer 9

anterior cranial fossa

Question 10

Which bones make up the posterior cranial fossa

Answer 10

parietal, temporal, occipital

Question 11

Which parts of the brain does the posterior cranial fossa hold

Answer 11

cerebellum and brainstem

Question 12

Which fossa do the cerebellum and brainstem sit in

Answer 12

posterior cranial fossa

Question 13

Which parts of the brain sit on the cranial fossa

Answer 13

Frontal lobes- Anterior fossa
Temporal lobes- middle fossa
Cerebellum and brainstem- Posterior fossa

Question 14

What does dura mater split into medially

Answer 14

Periosteal dura (superficially) and meningeal dura (deeper)

Question 15

What creates the venous sinus

Answer 15

Dura mater- creates tunnel for flow of CSF between Periosteal dura and meningeal dura

Question 16

Where is CSF created

Answer 16

in ventricles

Question 17

Where do vessels travel in brain

Answer 17

Between Arachnoid and pia mater

Question 18

Which carotid goes into the brain

Answer 18

Internal carotid (external carotid provides blood to face, meninges, and scalp)

Question 19

Which carotid supplies the face, meninges, and scalp

Answer 19

External carotid

Question 20

What are the terminal branches of the external carotid artery

Answer 20

Maxillary artery and superficial temporal artery

Question 21

Branches of trigeminal nerve

Answer 21

Opthalmic, Maxillary, Mandibular

Question 22

If you are looking at veins, which layer are you in?

Answer 22

Arachnoid mater

Question 23

If you see gyri and sulci, which layer of the brain are you in (no veins)

Answer 23

pia mater

Question 24

Which layers is subdural hematoma between

Answer 24

Dura mater and arachnoid mater (bridging veins cause it)

Question 25

If the middle meningeal artery ruptures what does this cause

Answer 25

epidural hematoma

Question 26

What are the dural folds

Answer 26

1. Falx cerebri 2. Falx cerebelli 3. Tentorium cerebelli 4. Diaphragma sellae

Question 27

What does the falx cerebri seperate

Answer 27

R and L hemispheres of brain

Question 28

What does the falx cerebelli seperate

Answer 28

divides the cerebellum

Question 29

Which area is associated with the pituiatary gland

Answer 29

diaphragma sellae

Question 30

What do the superior saggital and inferior saggital sinuses form

Answer 30

Straight sinus at the confluence of sinuses

Question 31

What veins drain into the confluence of sinuses

Answer 31

Straight sinus (made of superior sagittal and inferior sagittal sinus), great cerebral vein (from deep in the brain) and Transverse sinus

Question 32

What does the inferior sagittal sinus connect with to make straight sinus

Answer 32

Great cerebral vein -->Straight sinus

Question 33

Which area is the root of infection because of its drainage of the face and scalp

Answer 33

Cavernous sinuses

Question 34

Which fossa does pituitary gland sit in

Answer 34

hypophysial fossa

Question 35

What do sinuses secrete

Answer 35

mucous

Question 36

What connects lateral and third ventricles

Answer 36

interventricular foramen

Question 37

What connects the third ventricle to fourth ventricle

Answer 37

the aqueduct of midbrain

Question 38

Which ventricle is associated with the cerebellum

Answer 38

4th ventricle Anterior to cerebellum between brainstem and cerebellum

Question 39

Which ventricle is between R and L hemispheres

Answer 39

Third and 4th are on the midline descending to central canal

Question 40

What creates CSF and where is it

Answer 40

Choroid plexus. Sits in Lateral vcentricle and 3rd ventricle (a bit of it is also in 4th vcentricle)

Question 41

What is the frontal lobe responsible for

Answer 41

Motor and executive function

Question 42

What is the parietal lobe respomsible for

Answer 42

Sensory information and spatial awareness

Question 43

What is the temporal lobe responsible for

Answer 43

Auditory, speech, memory

Question 44

What is the occipital lobe responsible for

Answer 44

Visual processing

Question 45

What is the cerebellum responsible for

Answer 45

Fine motor coordination, balance

Question 46

If you have a deficit in sensory information and spatial awareness which part of your brain is dysfunctioning

Answer 46

parietal lobe

Question 47

If you have a deficit in auditation, speech, and memory, which part of your brain is dysfunctioning

Answer 47

temporal lobe

Question 48

What is the groove inbetween 2 gyri called

Answer 48

sulcus

Question 49

What structures seperate different parts of the brain

Answer 49

Fissures

Question 50

What seperates frontal lobe to parietal lobe

Answer 50

Central sulcus

Question 51

What is the precentral gyrus responsible for

Answer 51

Motor

Question 52

What is the postcentral gyrus responsible for

Answer 52

sensory information

Question 53

What seperates the frontal and parietal lobes from temporal lobe

Answer 53

lateral fissure

Question 54

What seperates occipital lobe and temporal lobe from cerebellum

Answer 54

Transverse fissure

Question 55

What seperates the R and L hemispheres of the brain

Answer 55

Longitudinal fissure

Question 56

What runs from longitudinal fissure to lateral fissure

Answer 56

The Central sulcus (seperates frontal to parietal lobe)

Question 57

What seperates parietal and occipital lobes

Answer 57

parieto-occipital sulcus

Question 58

What sit inbetween R and L thalamus

Answer 58

3rd ventricle