Module 9

Question 1

What are the 3 layers of connective tissue

Answer 1

1. Dura mater
2. Arachnoid
3. Pia mater

Question 2

T/F: the dura mater is the innermost layer

Answer 2

False, outermost

Question 3

What are the two layers of the dura mater

Answer 3

Outer (periosteum of skull) and inner (falx; meningeal layer)

Question 4

The space between the outer dura and skull is

Answer 4

Epidural

Question 5

The subdural space is between the_____ and _____

Answer 5

Inner dura and arachnoid

Question 6

The ___ layer is between the inner dura and pia mater

Answer 6

Arachnoid

Question 7

The CSF drains into the vascular system via the ____

Answer 7

Arachnoid villi

Question 8

Cerebral veins are also known as

Answer 8

Sinuses

Question 9

The _____ space is in between the arachnoid and pia mater

Answer 9

Subdural space

Question 10

What is contained in the subdural space

Answer 10

CSF and blood vessels

Question 11

Where is the subarachnoid hemorrhage

Answer 11

Subarachnoid space

Question 12

The site of subdural hemorrhage is where

Answer 12

Subdural space

Question 13

What are the three meninges that protect the spinal cord

Answer 13

1. Spinal meniges: dura mater
2. Spinal meniges: pia mater
3. Spinal meniges: arachnoid

Question 14

T/F the spinal meninges: dura mater, runs from the the conus medullaris to to the coccyx where it attaches as the coccygreal ligament

Answer 14

False; Spinal meninges: pia mater

Question 15

Which spinal meniges contain the CSF, blood vessels ad cistern

Answer 15

Arachnoid

Question 16

What are the 4 ventricles of the brain

Answer 16

1. 2 lateral ventricles
2. 3rd ventricle
3. Aqueduct of sylvius

Question 17

The ___ and ___ are suspended in the CSF

Answer 17

Brain and spinal cord

Question 18

The ____ fills the ventricles and the subarachnoid space

Answer 18

Cerebral spinal fluid

Question 19

Where is the cerebral spinal fluid made

Answer 19

Choroid plexus

Question 20

The lateral ventricles each have 4 parts- what are they

Answer 20

1. Anterior horn (frontal lobe)
2. Body (parietal lobe)
3. Posterior horn (occipital lobe)
4. Inferior horn (temporal lobe)

Question 21

Where is the 3rd ventricle located

Answer 21

Diencephalon

Question 22

Where is the 4th ventricle

Answer 22

Lower pons and the upper medulla

Question 23

In the fourth ventricle, the _____ leaves the ventricle and enters the cisterns magna

Answer 23

Cerebral spinal fluid

Question 24

The cerebrospinal fluid circulation

Answer 24

Lateral ventricles -> third ventricle -> aqueduct of Sylvia’s -> fourth ventricle –> via foramina of Luschka and magendie –> subarachnoid space–> cerebral and spinal circulation

(Goes back up from the cerebral and spinal area)

Question 25

Obstruction to the CSF flow will lead to

Answer 25

1. Back up in the CSF and increased interacranial pressure

2. Papilledema/choked disc

Question 26

What are the three types of hydrocephalus

Answer 26

1. Obstructive
2. Communicating
3. Compensating

Question 27

Obstruction of the CSF can be caused by

Answer 27

1. Tumor
2. Structured anomalies
3. Inflammatory process

Question 28

T/F hydrocephalus is untreatable

Answer 28

False; treatable

-drain excess fluid or ventriculoperitoneal (VP) shunt