Dani Brain 2

Question 1

How much of our brain is fat

Answer 1

60%

Question 2

How myelin allowed development of brain in vertebrates

Answer 2

Conducting nerves faster and decrease in size of nerves

Question 3

Which glial cell produces myelin sheet

Answer 3

Oligodendrocyte

Question 4

What does the myelin consist off

Answer 4

80% of fat and 20% protein

Question 5

Which types of protein are Present in the myalin

Answer 5

Proteolipid protein
Myelin basic protein
Myelin oligodendrocyte glycoprotein

Question 6

Does young children has Myelin

Answer 6

No

Question 7

Which type of cells generates myalin

Answer 7

Oligodendrocytes and Schwann cells

Question 8

How many axons does the Schwann cell can cover

Answer 8

1

Question 9

How many neurons each oligodendrocyte cover

Answer 9

Up to 50 exons

Question 10

When the myelination process is complete, is there a possibility of production new myelin?

Answer 10

Yes. Through learning new tasks

Question 11

In which area of the brain, the gray matter is located

Answer 11

In the outer part of the brain

Question 12

Which cells are considered part of the gray matter of the brain

Answer 12

Axons without myelin
Glial cells
capillary blood vessel
neutrophils

Question 13

Which type of cells the white matter contained

Answer 13

Oligodendrocytes and strocytes

Question 14

Which type of matter in the brain consist Myelinated cells

Answer 14

White matter

Question 15

What does the oligodendrocyte consume as an energy source

Answer 15

Glucose and lactate

Question 16

Which product can the oligodendrocyte send

Answer 16

Lactate

Question 17

To witch sub groups we split the myelin related diseases

Answer 17

Loss of myelin and defects in the development of them myelin

Question 18

Which types of diseases caused due to the Myelination

Answer 18

Multiple sclerosis

Gillian beret syndrome

Question 19

What ae the Dysmyelination dieseas

Answer 19

Pelizaeus merzbacher Disease
Cannavan disease
Schizophrenia

Question 20

Which nervous system multiple sclerosis is related to

Answer 20

Central nervous system (CNS)

Question 21

Which part of the brain cell is damaged during MS

Answer 21

Myelin

Question 22

Which gender suffers more from multiple sclerosis

Answer 22

Woman

Question 23

In which race MS is more common

Answer 23

Caucasians

Question 24

Which groups of fatty acid are present in the brain

Answer 24

Sphingolipids
Phospholipid
Cholesterol

Question 25

What does the fatty acid function for

Answer 25

Signaling molecules sources of energy

synaptogenesis neurogenesis impulse condition and other

Question 26

What is the main usage of lipids for the brain

Answer 26

Utilize acylated lipids to generate phospholipids for cell membrane

Question 27

How leptin affect energy expenditure in the brain

Answer 27

Increase it

Question 28

How leptin increases the energy expenditure in the brain

Answer 28

Buy acting on hypothalamic centers that increases fatty acids flow

Question 29

How much of the body cholesterol is located in the brain

Answer 29

I’m about to 25%

Question 30

Where does the brain cholesterol is produced

Answer 30

In the brain because it cannot cross the brain blood barrier

Question 31

Which type of cholesterol can cross the blood brain barrier

Answer 31

Very dense HDL

Question 32

Which regulatory element binding protein regulates the production cholesterol

Answer 32

SREBP2

Question 33

Which neural cells is the main producer of cholesterol in the brain

Answer 33

Astrocytes

Question 34

From which material the astrocyte creates myelin

Answer 34

Cholesterol

Question 35

Which Apolipoproteins is usually impaired in Alzheimer disease

Answer 35

ApoE4

Question 36

Which type of Apolipoproteins is usually increase in Alzheimer disease

Answer 36

APO E4