Epilepsy is a disease characterised by repeated seizures, which could most likely be due to:Question 33Answera.increased activity of inhibitory neurotransmitters and more frequent neuronal hyperpolarisationb.Increased activity of excitatory neurotransmitters and more frequent neuronal depolarisationc.Reduced activity of excitatory neurotransmitters and more frequent neuronal hyperpolarisationd.Reduced activity of excitatory neurotransmitters and more frequent neuronal depolarisatione.Increased activity of excitatory neurotransmitters and more frequent neuronal hyperpolarisation
Question
Epilepsy is a disease characterised by repeated seizures, which could most likely be due to:Question 33Answera.increased activity of inhibitory neurotransmitters and more frequent neuronal hyperpolarisationb.Increased activity of excitatory neurotransmitters and more frequent neuronal depolarisationc.Reduced activity of excitatory neurotransmitters and more frequent neuronal hyperpolarisationd.Reduced activity of excitatory neurotransmitters and more frequent neuronal depolarisatione.Increased activity of excitatory neurotransmitters and more frequent neuronal hyperpolarisation
Solution
The most likely cause of epilepsy, a disease characterized by repeated seizures, is "Increased activity of excitatory neurotransmitters and more frequent neuronal depolarisation". This is because seizures are generally caused by an excess of electrical activity in the brain. Excitatory neurotransmitters promote this electrical activity, while depolarisation of neurons makes them more likely to fire. Therefore, an increase in both of these factors could potentially lead to the repeated seizures seen in epilepsy.
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