MBB- CNS

Question 1

Forebrain vesicle (Prosencephalon)

Answer 1

• Telencephalon

- Diencephalon

Question 2

Midbrain

Answer 2

Mesencephalon

Question 3

Hindbrain (Rhombencephalon)

Answer 3

• Metencephalon

- Myelencephalon

Question 4

Telencephalon

Answer 4

2 cerebral hemispheres and basal ganglia

Question 5

Diencephalon

Answer 5

Thalamus
Epithalamus-Pineal gland
Hipothalamus
Subthalamus
-Optic nerve
-Retina
-Post. Pituitary

Question 6

Metencephalon

Answer 6

Pons and Cerebellum

Question 7

Myelencephalon

Answer 7

Medulla oblongata

Question 8

Cranial Neuropore closes at…?

Answer 8

25th day intrauterine life

Question 9

Inside CNS cell bodies derive from?

Answer 9

Neural Tube

Question 10

Cells bodies outside CNS

Answer 10

PNS=Ganglia (Neural crest cells)

Question 11

Glial tissues inside CNS

Answer 11

Astrocytes (neural tube derivative)

Question 12

Olygodendrocytes

Answer 12

Myelination inside CNS (neural tube)

Question 13

Outside CNS

Answer 13

Myelination -Schwann cells (derived of neural crest cells)

Question 14

Spinal cord (ventral root)

Answer 14

Motor fibers (neural tube)

Question 15

Spinal cord (Dorsal root)

Answer 15

sensory (neural crest cells)

Question 16

Function of Microglial cells?

Answer 16

“cleaning” CNS

• Phagocytosis
• derived from mesenchyme

Question 17

Mesenchyme- Meninges

Answer 17

Dura Mater

Question 18

Arachnoid and Pia are…

Answer 18

Leptomeninges derived from Neural crest cells

Question 19

Nervous System

Answer 19

CNS and PNS

Question 20

PNS is divided in…

Answer 20

• Sensory
• Somatic
• ANS

Question 21

In Sensory we have…

Answer 21

general sensation and special sensation

Question 22

General sensation

Answer 22

Touch, pain (somato-motor sensation)

Question 23

special sensation composed by…

Answer 23

vision, taste, hearing (not in our control)= PNS

Question 24

Autonomic is divided by…

Answer 24

• Sympathetic

- Parasympathetic

Question 25

Sympathetic is...

Answer 25

Thoraco-lumbar outflow (T1-L2) | -Pregaglionic cells bodies present only in those spinal segments along with ventral, dorsal and lateral horn

Question 26

Mention 2 types of cells

Answer 26

- Nerve cells | - Glial cells

Question 27

What Glial cells do?

Answer 27

insulation (Protection)

Question 28

Anterograde "normal process" transport of proteins are carry out by...

Answer 28

Kinesin

Question 29

Retrograde transport

Answer 29

Dynein

Question 30

Nerves cells divided based upon...

Answer 30

Polarity

Question 31

A-polar cells

Answer 31

- No Axon/no dendrites - Chromaffin cells (found in Adrenal Medulla) - Post-gaglionic sympathetic cells - Derived from Neural crest cells

Question 32

Pseudounipolar neurons

Answer 32

- Dorsal Root Ganglia - In human being - 1 axon/ 1 dendrite

Question 33

Multipolar neurons

Answer 33

- Interneurons "connecting neurons" - Quick response for any action - B/t Motor and Sensory - One Axon/ many Dendrites

Question 34

Bipolar neurons

Answer 34

- Present in areas prone for damage - Olfactory epithelium - Retinal cells - Vestibulo-cochlear cells

Question 35

Golgi (Type I) neurons

Answer 35

- Very long axon | - Saphenous nerve (cutaneous)

Question 36

Golgi (type II)

Answer 36

interneurons | -very short (b/t sensory and motor neurons)