Neuro Section 6- Part 1

Question 1

What does the dura mater, arachnoid mater, and pia mater make up?

Answer 1

Brainstem and spinal cord

Question 2

What is the thick layer of fibroblasts, it fuses with the bone inner surface of skull bones?

Answer 2

Dura mater

Question 3

What is the spider web like, thin layer of fibroblasts that trap CSF between it and pia mater?

Answer 3

Arachnoid mater

Question 4

What is the single layer of fibroblasts?

Answer 4

Pia mater

Question 5

What is a clear fluid present in the ventricles of the brain, central canal of spinal cord, and subarachnoid?

Answer 5

Cerebrospinal fluid (CSF)

Question 6

What ligament attaches the dura to the midline of the vertebral body?

Answer 6

Meningovertebral

Question 7

What cushions the brain?

Answer 7

CSF

Question 8

What maintains a consistent extracellular micro environment for neurons and glia cells?

Answer 8

CSF

Question 9

What assists in waste control for the removal of potentially harmful cellular metabolites?

Answer 9

CSF

Question 10

What helps in the distribution medium for peptide hormones and growth factors?

Answer 10

CSF

Question 11

Where is the CSF formed?

Answer 11

Choroid plexuses

Question 12

Why is it important that the CSF is formed in each of the four ventricles at a constant rate?

Answer 12

Prevents accumulation of fluids

Question 13

Where are the lateral ventricles located?

Answer 13

Two cerebral hemispheres

Question 14

WHERE IS THE 3RD VENTRICLE LOCATED?

Answer 14

Midline of diencephalon

Question 15

What is located between the cerebellum and the dorsal surface of the hindbrain?

Answer 15

4th ventricle

Question 16

What are the cauliflower-like growth of capillaries covered by a thin layer of ependymal cells that forms a selective, tight-junction barrier to the secretions of the leaky capillaries and other surrounding fluids?

Answer 16

Choroid plexuses

Question 17

What cells form a selective barrier that regulates the passage of ions into the CSF?

Answer 17

Ependymal cells

Question 18

What 3 things go into the ventricles?

Answer 18

Sodium, chloride, bicarbonate

Question 19

What flows passively into the ventricles?

Answer 19

NaCI

Question 20

What process occurs of some potentially harmful waste products?

Answer 20

Metabolization

Question 21

What is the transport system used for NaCI?

Answer 21

Symport

Question 22

What transport system is used for Na, Cl, and HCO3

Answer 22

Aniport

Question 23

CSF flows _______ a concentration gradient form its site of formation at the choroid plexuses through the ventricular system and subarachnoid space into the venous system

Answer 23

Down

Question 24

What are the only 2 organs that DO NOT posses lymphatic vessels?

Answer 24

Brain and Spinal cord

Question 25

What system helps in the removal of interstitial waste products?

Answer 25

Glymphatic

Question 26

Where does the CSF into the venous system absorption take place?

Answer 26

Dura-lined venous sinuses within the skull

Question 27

Where is most of the fluid absorbed from the subarachnoid space into?

Answer 27

Dural sinuses

Question 28

How is the fluid absorbed into the dural sinuses?

Answer 28

Through arachnoid villi

Question 29

Absorption appears to be pressure ________ and is unidirectional

Answer 29

Dependent

Question 30

The ______ volume of CSF is replaced several time a day

Answer 30

Entire

Question 31

What space is where CSF can be sampled?

Answer 31

Subarachnoid space

Question 32

What space is located between the skull and the first cervical vertebra?

Answer 32

Subarachnoid space

Question 33

What are the 2 characteristics of normal CSF?

Answer 33

Clear and translucent

Question 34

What disease is increased CSF volume in the skull, associated with an increased ventricular volume and intracranial pressure?

Answer 34

Hydrocephalus

Question 35

What is caused by an obstruction to CSF flow?

Answer 35

Non-communicating hydrocephalus

Question 36

What is caused by impairment of absorption?

Answer 36

Communicating hydrocephalus