Neuroscience + Clinical

Question 1

Nucleus contains

Answer 1

DNA

Question 2

RER

Answer 2

Synthesis proteins

Question 3

SER

Answer 3

Synthesis Fats

Question 4

Golgi Complex

Answer 4

Packages products for transport around the cell

Question 5

Mitochondria

Answer 5

Powerhouse of the cewll

Question 6

Lysosomes

Answer 6

Waste Disposal System

Question 7

Cytoskeleton

Answer 7

maintains shape and provides rails for transport

Question 8

More than 1 dendrite neuron is called?

Answer 8

Multipolar Neuron - dendrites emanate from apex and base of cell body

Question 9

Bipolar Neuron

Answer 9

only has 1 dendrite

Question 10

Golgi type 1 length of axon

Answer 10

Long axon and large

Question 11

Golgi type 2 length of axon

Answer 11

Short axon

Question 12

Three shapes of cell bodies of neurons

Answer 12

Ovoid
Fusiform
Triangular

Question 12

Where are pyramidal cells found

Answer 12

Mainly in cerebral cortex

Question 12

Features of Pyramidal cells

Answer 12

triangular cell body
multipolar
spiny dendrites
axon extends from base
golgi type 1 (projection neuron)

Question 13

Where are spiny stellate cells found?

Answer 13

Cerebral cortex

Question 14

Features of spiny stellate cells

Answer 14

Ovoid cell body
multipolar
radial/horizontal
spiny dendrites
golgi type 2 (interneurons)

Question 15

Features of Dopaminergic Neurons

Answer 15

Fusiform cell body
multipolar ]axon emerges from dendrites or cell body
golgi type 1 (projection neurons)

Question 16

Neurons involved in Parkinson’s Disease

Answer 16

Dopaminergic neurons - degeneration

Question 17

Where are Purkinje cells

Answer 17

Cortex of cerebullum

Question 18

Features of Purkinje cells

Answer 18

Ovoid cell body
bipolar
highly branched dendritic tree
spiny dendrites
golgi type 1 (projection neuron)

Question 19

Degeneration of purkinje cell

Answer 19

Tremor
problems with walking, fine hand movements
problems with speech
motor issues

Question 20

4/5ths of all neurons in the brain are found in one structure

Answer 20

Cerebellum

Question 21

3 types of glia cells in CNS

Answer 21

Oligodendrocytes
Astrocytes
Microglia

Question 22

Type of Glia in PNS

Answer 22

Schwann Cell

Question 23

What cells are schwann cells similar to

Answer 23

oligodendrocytes

Question 24

What do oligodendrocytes do

Answer 24

Form Myelin

Question 25

What are nodes of ranvier

Answer 25

Unmyelinated segments of axon

Question 26

what is an internode

Answer 26

myelinated segments of axon

Question 27

How is multiple sclerosis caused

Answer 27

caused by degeneration of myelin coating

Question 28

features of astrocytes

Answer 28

star shaped
connected by gap junctions
20-50 percent of volume of most brain areas

Question 29

What do astrocytes do

Answer 29

Fence in neurons
make cuffs around nodes of ranvier
ensheath synapses of dendrites
project processes to cell somas
cover capillaries

Question 30

(more) Functions of astrocytes

Answer 30

Induce/maintain tight junctions in endothelial ells - forms blood brain barrier

Uptake of neurotransmitters

Neurovascular coupling

Question 31

features of Microglia

Answer 31

small rod shaped somas

processes extend out symmetrically

Question 32

What do microglia do

Answer 32

Representatives of immune system in brain

brain - immunologically privileged site
BBB restricts access of immune cells from blood

involved in phagocytosis