Effect of Drugs and Disorder of the Nervous System (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
How do drugs affect impulse transmission? (2 ways)
How do drugs affect impulse transmission? (2 ways)
Alter neurotransmitter production or breakdown rate
Cannabis in low doses - main effect type
Cannabis in low doses - main effect type
Acts as depressant
Cannabis long-term use effects
Cannabis long-term use effects
Weakens immune system, impairs mental function, reduces sperm/testosterone
Cocaine's effect on dopamine
Cocaine's effect on dopamine
Prevents normal breakdown of dopamine
Why cocaine causes addiction
Why cocaine causes addiction
Body produces less dopamine, need more to feel normal
Cocaine tolerance meaning
Cocaine tolerance meaning
Higher doses needed for same effect over time
Ecstasy's effect on serotonin
Ecstasy's effect on serotonin
Releases all stored serotonin at once, damages axons
Dangerous body temp. with ecstasy (°C)
Dangerous body temp. with ecstasy (°C)
43°C - blood can clot
Ecstasy effect on memory
Ecstasy effect on memory
Impairs memory
Type of disease - Parkinson's
Type of disease - Parkinson's
Degenerative disease of nervous system
Parkinson's disease symptoms
Parkinson's disease symptoms
Shaking/trembling, difficulty walking, stiff/rigid body
Cause of Parkinson's disease
Cause of Parkinson's disease
Inability to produce dopamine in part of brain
Prevention for Parkinson's disease
Prevention for Parkinson's disease
No known prevention (pesticides may be a factor)
Parkinson's treatment - physiotherapy
Parkinson's treatment - physiotherapy
Regular exercises help manage symptoms
Parkinson's treatment - levodopa drug
Parkinson's treatment - levodopa drug
Mimics dopamine effects, improves muscle control