Questions and CORRECT Answers
How many bones in the neurocranium - CORRECT ANSWER - 8 bones
What two bones of neurocranium mostly visible from interior (put most anterior first) -
CORRECT ANSWER - Ethnoid, sphenoid
What are the 3 major neurocranium sutures? - CORRECT ANSWER - Coronal, Sagittarius,
and lambdoid
What is a suture? - CORRECT ANSWER - Fibrous joint that holds bones together
Weakest part of skull and what is it made up of - CORRECT ANSWER - Pterion- sphenoid,
frontal, parietal, and temporal
What is interior of neurocranium divided into? - CORRECT ANSWER - Anterior fossa
(cerebrum), middle fossa (temporal lobe), posterior (cerebellum)
What is a fossa - CORRECT ANSWER - depression in bone
What is a sulci (sulcus)? - CORRECT ANSWER - grooves in the brain
What is a gyrus? - CORRECT ANSWER - ridge in the brain
What does coronal suture join? - CORRECT ANSWER - frontal and parietal bones
What does Sagittarius suture join - CORRECT ANSWER - The two parietal
,What does the lambdoid suture separate? - CORRECT ANSWER - occipital and parietal
bones
What does the middle fossa contain - CORRECT ANSWER - Temporal lobe
What does the posterior fossae contain - CORRECT ANSWER - Cerebellum
What is the last vertebra called and what's special about it - CORRECT ANSWER - Coccyx
(no vertebral foramen or intervertebral forAmina)
What vertebrae are fused? How many - CORRECT ANSWER - Sacral 5
How many cervical vertebrae are there? - CORRECT ANSWER -7
How many cervical nerves are there? - CORRECT ANSWER - 8 pairs
What has a different number of nerves vs vertebrae - CORRECT ANSWER - Cervical nerves
8 vertebrae 7
How many thoracic vertebrae are there? - CORRECT ANSWER - 12
three meninges (out to in) - CORRECT ANSWER - Dura mater, arachnoid mater, pia mater
Where do meninges extend to in spinal cord? - CORRECT ANSWER - S2
What makes up the falx and tentorium cerebri? - CORRECT ANSWER - Dura mater
What makes up the venous sinuses? - CORRECT ANSWER - Dura mater
, What are Dural septa's give example - CORRECT ANSWER - Dura infold, tentorium cerebri
What are venous sinuses - CORRECT ANSWER - Venous infoldings or septae in fusion with
skull
What does middle meningael artery supply? - CORRECT ANSWER - Frontal lobe
(hemonculus limbs), anterior parietal lobe, temporal lobe
What holds temporal lobe in place? - CORRECT ANSWER - Tentorium cerebri
What does the falx cerebri separate? - CORRECT ANSWER - two cerebral hemispheres
What bridges over gyri and Sulcus? - CORRECT ANSWER - Webby arachnoid mater
Is there space between arachnoid and dura? - CORRECT ANSWER - No
Is there space between dura and skull? ( 1 exception) - CORRECT ANSWER - No, Superior
Sagittarius sinus in folding
Is there space between dura and and spinal cord? - CORRECT ANSWER - Yes!
Why is pia easier to see in spinal cord? - CORRECT ANSWER - Debticulate ligaments
suspend chord in dura
How is an epidural caused - CORRECT ANSWER - FRACTURE usually of pterion by blow
that will hemorrhage or burst the middle meningeal artery