Cranial activity, Foramina, Meninges

Question 1

Three fossae of the skull

Answer 1

Anterior, middle and posterior cranial fossae

Question 2

Constituents of the Anterior cranial fossae

Answer 2

Crista Gali and Cribriform plate

Question 3

Constituents of the middle cranial fossae

Answer 3

Trigeminal impression and tegmen tympani

Question 4

Constituents of the posterior cranial fossae

Answer 4

Foramen magnum and internal occipital protuberance

Question 5

Meninges of the CNS

Answer 5

Dura mater, arachnoid mater and pia mater

Question 6

Constituents of dura mater

Answer 6

Falx cerebri
Falx cerebelli
Diaphragma sellae
Tentorium cerebelli

Question 7

Which meninges is highly vascular and contains the small blood vessels that supply the brain and spinal cord?

Answer 7

Pia mater

Question 8

Which space contains cerebrospinal fluid?

Answer 8

Subarchnoid spacce

Question 9

Two structures contained within the pia mater

Answer 9

Ligamentum denticulatum

Filum terminale

Question 10

List the Dural Folds

Answer 10

Falx cerebri, Falx cerebelli, Diaphragma sellae and tentorium cerebelli

Question 11

Nerve in Cribriform plate

Answer 11

Cranial nerve I

Question 12

Nerve in Optic canal

Answer 12

Cranial nerve II and ophthalmic artery

Question 13

Nerve in Superior orbital fissure

Answer 13

Cranial nerves III, IV, VI and ophthalmic division of trigeminal

Question 14

Nerve in Internal aucostic meatus

Answer 14

Facial and vestibulocochlear nerves

Question 15

Nerve in Jugular foramen

Answer 15

Cranial nerves IX, X and XI

Question 16

Nerve in Hypoglossal canal

Answer 16

Cranial Nerve XII