Edexcel Biology: Unit 5 Drugs and Disease

Get Revising

Created by: Bukky
Created on: 26-04-13 11:54

What are Neuro Transmitters?

Chemicals that transmit nerve impulses across synapses

1 of 5

Parkinson's is a brain disorder that effects what?

It effects the motor skills as neurones involved in movement are destroyed

2 of 5

What transmitter is lacking in Parkinson's and what symptoms are evident?

There is a lack of dopamine and so tremors and slow movement are symptoms

3 of 5

What treatment is there for Parkinson's and how does it work?

L-Dopa and it has a similar structure to dopamine and is converted into dopamine by the enzyme dopa-carboxylase causing an increase in nerve impulses and increased control of movement

4 of 5

Depression is caused by low levels of serotonin but what drug can be used to help treat this and how?

Antidepressants are used. MDMA increases levels of serotonin by inhibiting reuptake of the neurotransmitter causing impulses to constantly be triggered. MDMA=Mood Elevation

5 of 5

Other cards in this set

Card 2

Front

Parkinson's is a brain disorder that effects what?

Back

It effects the motor skills as neurones involved in movement are destroyed

Card 3

Front

What transmitter is lacking in Parkinson's and what symptoms are evident?

Back

Card 4

Front

What treatment is there for Parkinson's and how does it work?

Back

Card 5

Front

Depression is caused by low levels of serotonin but what drug can be used to help treat this and how?

Get Revising

Edexcel Biology: Unit 5 Drugs and Disease