Chapter 5

Question 1

_____ occur at the edges of dural septa.

Answer 1

Dural sinuses

Question 2

The _____ sinus is attached to the falx cerebri.

Answer 2

superior saggital

Question 3

The _____ sinus runs along the cerebellum.

Answer 3

transverse sinus (L&R)

Question 4

The _____ sinus continues down from the transverse sinus.

Answer 4

sigmoidal (L&R)

Question 5

CSF leaves the subarachnoid space and enters the sinus through the _____.

Answer 5

arachnoid villus

Question 6

_____ are wide spaces in the arachnoid.

Answer 6

Subarachnoid cisterns

Question 7

Large villi are called _____.

Answer 7

arachnoid granulations

Question 8

_____ are one-way valves for CSF.

Answer 8

Arachnoid granulations

Question 9

CSF fills the _____, which is the area around a blood vessel under the pia mater.

Answer 9

perivascular space

Question 10

The area around a blood vessel under the pia mater is surrounded by _____ and _____.

Answer 10

CSF

epithelial cells

Question 11

The _____ is XXXXXXXXXXXXXXXX

Answer 11

lumbar cistern

Question 12

The ventricles are comprised of the _____, _____, and _____ ventricles.

Answer 12

lateral
3rd
4th

Question 13

_____ makes and secretes CSF.

Answer 13

Choroid plexus

Question 14

The lateral ventricles run through _____.

Answer 14

all 4 lobes

Question 15

Choroid plexus exists in _____.

Answer 15

all ventricles

Question 16

CSF secreted in the lateral ventricles enters the 3rd ventricle through the _____.

Answer 16

intraventricular foramen

Question 17

CSF leaves the 3rd ventricle and enters the 4th through the _____.

Answer 17

sylvian/cerebral aqueduct

Question 18

CSF leaves the 4th ventricle where it narrows (and becomes the _____) and flows into the _____.

Answer 18

obex

cisterna magna

Question 19

CSF enters the spinal cord from the 4th ventricle through the _____.

Answer 19

central canal

Question 20

In _____, one lateral ventricle is blocked.

Answer 20

communicating hydrocephalus

Question 21

In _____, both lateral ventricles are blocked.

Answer 21

non-communicating hydrocephalus

Question 22

CAT scan

Answer 22

computerized axial tomography

Question 23

In a CAT scan…
Bone is _____
Air is _____
CSF is _____

Answer 23

white
black
dark

Question 24

A _____ is often used to image acute injuries.

Answer 24

CAT scan

Question 25

An MRI creates a field of _____ Tesla, while Earth’s magnetic field is _____ Tesla.

Answer 25

1.5-3

.001

Question 26

T1 MRIs image…
CSF as _____
Blood as _____

Answer 26

dark

white

Question 27

T2 MRIs image…
CSF as _____
blood as _____

Answer 27

white

dark

Question 28

DTI can be used to measure the _____ of white matter.

Answer 28

integrity