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Questions and Answers
Tetrodotoxin (TTX) is a neurotoxin because
Tetrodotoxin (TTX) is a neurotoxin because
- it blocks neurotransmitter release
- it blocks the ion channels that control action potential generation (correct)
- it prevents neurotransmitter binding
- it poisons neurons and causes them to degenerate
When curare blocks the action of a neurotransmitter by occupying its receptor sites it
is acting as
When curare blocks the action of a neurotransmitter by occupying its receptor sites it is acting as
- an antagonist (correct)
- a neurotransmitter
- an agonist
- a placebo
Which of the following neurotransmitters has been implicated in both Parkinson’s
disease and schizophrenia?
Which of the following neurotransmitters has been implicated in both Parkinson’s disease and schizophrenia?
- dopamine (correct)
- noradrenaline
- glutamate
- serotonin
Mary failed the knee jerk reflex test – this failure may indicate problems in:
Mary failed the knee jerk reflex test – this failure may indicate problems in:
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