Lecture 1

Question 1

Regions of the Brain

Answer 1

Cerebrum, Cerebellum, Brainstem

Question 2

Regions of the brain stem

Answer 2

Midbrain, Pons, Medulla

Question 3

Function of the cerebrum

Answer 3

Higher functions such as vision, hearing

Question 4

Function of the cerebellum

Answer 4

Movement, balance, posture

Question 5

Functions of the midbrain

Answer 5

Relay point between brain and spinal cord, homeostatic functions

Question 6

Names of the ventricles

Answer 6

2 lateral, third and fourth

Question 7

What fluid is in the ventricles?

Answer 7

Cerebral spinal fluid

Question 8

What are the two types of cells in the nervous system?

Answer 8

Neurones and glial cells

Question 9

What type of glial cell lines the ventricles?

Answer 9

Ependymal

Question 10

What type of glial cell is phagocytic?

Answer 10

Microglial

Question 11

What type of glial cell is large and most abundant?

Answer 11

Astrocytes

Question 12

What types of glial cell form myelin?

Answer 12

Oligodendrocytes and Schwann cells

Question 13

Neurones are post-mitotic cells. what does this mean?

Answer 13

After they have differentiated they wont replicate or divide.

Question 14

What type of cytoskeleton runs down the axon and is made of tubulin?

Answer 14

microtubules

Question 15

What are the two complexes which transport things along the axon?

Answer 15

Kinesin and dynein

Question 16

Which complex moves anterograde direction?

Answer 16

Kinesin

Question 17

Which complex moves retrograde direction?

Answer 17

Dynein

Question 18

What are the components of kinesin?

Answer 18

2 light and 2 heavy

Question 19

What are the components of dynein?

Answer 19

Heavy, intermediate, intermediate light, light, DCTN1 and DCTN2.

Question 20

Which chain of dynein and kinesin bind to the microtubule?

Answer 20

Heavy chain

Question 21

Which chain of kinesin binds the cargo?

Answer 21

Light chain

Question 22

How does dynein bind cargo?

Answer 22

via dynactin

Question 23

What are the classifications of neurones based on dendrite number?

Answer 23

unipolar, bipoalr, multipolar

Question 24

What are the types of spine on dendrites?

Answer 24

Thin spines, mushroom spine, stubby spine

Question 25

Oligodendrocytes form myelin sheath around axons where?

Answer 25

In the CNS- Brain and spinal cord

Question 26

Schwann cells form myelin sheath around axons where?

Answer 26

PNS

Question 27

What is the function of astrocytes?

Answer 27

To strengthen and stabilise synapses, recycle neurotransmitters, regulate blood flow to areas of neuronal activity

Question 28

What is the function of microglial cells?

Answer 28

Phagocytosis- immune response of the brain

Question 29

Where are ependymal cells found?

Answer 29

Lining the ventricles