G5 Gross Brain Meninges, Sinuses

Question 1

Nuclei related to emotions in medial brain

Answer 1

Mammillary bodies

Question 2

Controls bp and resipiration

Answer 2

Medulla Oblongata

Question 3

2 main sources of blood to brain:

Answer 3

• Internal Carotid arterial system

- Vertebrobasilar arterial system

Question 4

The internal carotid artery enters _____ and makes 90 degree turn, ascends _____, enters _____ into cranial cavity to supply ______ brain.

Answer 4

Carotid canal

Foramen lacerum

Cavernous sinus

Anterior/middle

Question 5

The vertebral artery ascends thru _____ of C6 and above, makes a 90 degree turn, enters ____ to join opposite vertebral a., forms _____ artery, supplies ____ brain.

Answer 5

Transverse foramina

Foramen magnum

Basilar artery

Posterior

Question 6

Anterior cerebral aa. Supply:

Answer 6

Ant./med. cerebrum

Question 7

Middle cerebral aa. Supplies:

Answer 7

Ant./lat. cerebrum

Question 8

Posterior cerebral aa. Supply:

Answer 8

Post./Infr. cerebrum

Question 9

Anterior Cranial Fossa bones:

Answer 9

Frontal
Ethmoid
Sphenoid (lesser wing)

Question 10

Middle cranial fossa bones:

Answer 10

Sphenoid (greater wing…)
Temporal
Parietal

Question 11

Posterior Cranial fossa bones:

Answer 11

Parietal
Temporal (petrous part-ish)
Occipital

Question 12

Tearing of the middle meningeal artery quickly leads to _____.

Answer 12

Epidural hematoma (can be caused by skull fractures. Fractures-> epidural; shearing forces-> subdural hematoma)

Question 13

Falx Cerebri is found between

Answer 13

Cerebral Hemispheres

Question 14

Falx Cerebelli is found between

Answer 14

Cerebellar hemispheres

Question 15

Tentorium Cerebelli is found between

Answer 15

Cerebellum and Cerebrum

Question 16

Diaphragma Sellae is found between

Answer 16

brain and pituitary

Question 17

Veins that communicate thru the skull

Answer 17

Emissary Vein

Question 18

What structures pass through the Cavernous Sinus?

What structures are sheathed in its lateral wall?

Answer 18

Internal Carotid a., CN VI

CN III, IV, V1, V2

Question 19

Thin, non-vascular membrane loosely surrounding brain. Covers all fissures and sulci of brain. Web-like processes extend downward.

Answer 19

Arachnoid Mater

Question 20

This space contains CSF (a shock absorber), cerebral and cerebellar blood vessels.

Answer 20

Subarachnoid Space

Question 21

Allow CSF to exit subarachnoid space and enter blood stream

Answer 21

Arachnoid Granulations

Question 22

Delicate membrane surrounding brain, covers surface of all fissures and sulci, pierced by vessels that supply the brain.

Answer 22

Pia Mater