Ventricles, Hemispheres, Venous Sinuses and Skull Base

Question 1

what are the main veins in the brain?

Answer 1

superior sagittal sinus
straight sinus
right and left transverse sinus
right and left sigmoid sinuses
cavernous sinus

Question 2

what are the epidemiology and risk factors of cerebral venous sinus thrombosis?

Answer 2

rare
caused by infection in the mastoids or orbit
other inherited and acquired thrombophillic statessuch as oral contraceptives, dehydration, cancer, sepsis

Question 3

symptoms of cerebral venous sinus thrombosis

Answer 3

headaches

intracranial hypertension with nausea, vomiting, papilloedema and visual obscuration

Question 4

treatment of cerebral venous thrombosis

Answer 4

anticoagulation

Question 5

what are the openings of the skull?

Answer 5

one foramen magnum
two optic canals
2 foramina ovalia
2 foramina rotunda
2 jugular foramina
cribiform plate
2 superior orbital fissures
2 internal auditatory meatii
2 stylomastoid foramina
2 carotid canals
2 foramina spinosa

Question 6

contents of the internal auditaory canal?

Answer 6

facial nerve VII

vestibulocochlear nerve VIII

Question 7

what structures form the skull base?

Answer 7

bones-
occipital
temporal
sphenoid
frontal
ethmoid
maxillary and palatine bones