Brain, Blood Supply, and Cranial Meninges

Question 1

Parts of Brainstem

Answer 1

Midbrain, Pons, Medulla Oblongota

Question 2

Parts of Diencephalon

Answer 2

Thalamus, Hypothalamus

Question 3

Parts of Medulla

Answer 3

Anterior Median Fissure, Pyramids, Olive

Question 4

Pre-Olivary Sulcus

Answer 4

b/t pyramid and olive

attachment of rootlets of hypoglossal n (CN 12)

Question 5

Retro-Olivary Sulcus

Answer 5

behind olive

attachment of rootlets of glossopharyngeal and vagus n

Question 6

Medullopontine Sulcus

Answer 6

attachment of abducens, facial, vestibulocochlear n

Question 7

Pons

Answer 7

attachment of trigeminal n

Question 8

Midbrain

Answer 8

attachment of oculomotor n

Question 9

Superior Colliculi of Midbrain

Answer 9

part of visual system

Question 10

Inferior Colliculi of Midbrain

Answer 10

part of auditory system

Question 11

N attaching to posterior brainstem

Answer 11

Trochlear N

Question 12

Longitudinal Fissure

Answer 12

separates R and L cerebral hemispheres

Question 13

5 lobes of brain

Answer 13

frontal, parietal, temporal, occipital, insular

Question 14

Central Sulcus

Answer 14

separates frontal and parietal lobes

Question 15

Lateral Sulcus

Answer 15

separate temporal lobe from frontal and parietal lobes

Question 16

Gives bloods supply to the brain

Answer 16

Internal Carotid A and Vertebral A

Question 17

Parts of Internal Carotid A

Answer 17

Cervical, Petrous, Cavernous, Cerebral

Question 18

Purpose of Circle of Wilis

Answer 18

potential vascular shunt in case of damage/ clot to one part

Question 19

Periosteal/ Endosteal Layer of Dura Mater

Answer 19

Covers inner surface of skull bones

Question 20

Meningeal Layer of Dura Mater

Answer 20

Attaches to brain

Question 21

Falx Cerebri

Answer 21

fold that lies b/t R and L Cerebral Hemispheres

Question 22

Superior Sagittal Sinus

Answer 22

runs along falx cerebri

starts at foramen cecum, ends at confluence of sinuses

Question 23

Inferior Sagittal Sinus

Answer 23

Joins Great Cerebral V to make Straight Sinus

Question 24

Primary Parenchymal Hemorrhage

Answer 24

repture of intraparenchymal vessel

caused by hypertension

Question 25

Saccular Aneurysm

Answer 25

most common cause of subarachnoid hemorrhage
1/3 die with first rupture
1/3 have second rupture
“worst headache of my life”

Question 26

Epidural Hematoma

Answer 26

torn vessel in dura mater, normally middle meningeal artery

blood pressure separates dura from inner surface of skull

Question 27

Subdural Hematoma

Answer 27

tearing of bridging veins b/c of rapid mvmt of brain

bleeds into subdural space