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25 Cards in this Set
- Front
- Back
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How is excitation controlled within neurons to prevent excitation travelling along all neurons (ie. keep excitation localized)?
A) excitation of glutamate B) excitation of GABA C) inhibition of glutamate D) inhabitation of GABA |
B) excitation of GABA Glutamate excites the release of GABA which then inhibits excitation |
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GABA is responsible for?
A) excitation B) inhibition C) contraction D) propagation of an action potential |
B) inhibition |
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Glutamate is responsible for?
A) excitation B) inhibition C) contraction D) propagation of an action potential |
A) excitation
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What ion triggers the realise of neurotransmitters?
A) sodium B) magnesium C) calcium D) potassium |
C) calcium
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If a person is on a potassium channel agonist you would expect?
A) the cell to be hyperpolarised B) the threshold potential to decrease (become more negative) C) no depolarisation D) no neurotransmitter release |
A) the cell to be hyperpolarised
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Which of the following is CORRECT?
A) simple seizures are classified as localised within the brain and the person is unconscious B) absent seizures is a generalised seizure involving a specific section of the brain C) complex seizures are the only type that involve the person being unconscious D) partial seizures only involve a specific are of the brain and can affect conscious level |
D) partial seizures only involve a specific are of the brain and can affect conscious level
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There are two main ways to medicate epilepsy.
A) increase glutamate and GABA B) decrease glutamate, increase GABA C) decrease glutamate and GABA D) increase glutamate, decrease GABA |
B) decrease glutamate, increase GABA
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If an epileptic person suddenly falls over you may suspect?
A) hypoglycaemia B) atonic seizure C) myoclonic seizure D) absent seizure |
B) atonic seizure
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If a person is experiencing alcohol withdrawal you might expect? C) they might seize due to the chronic dehydration |
B) they might seize due to the chronic inhibition of GABA
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Calcium is realised from ____ which initiates the neurotransmitter vesicle to bind with the cell membrane allowing propagation of the action potential.
A) synaptic cleft B) presynaptic terminal C) postsynaptic terminal D) synaptic vesicle |
B) presynaptic terminal
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Automatisms are?
A) blank staring B) licking of lips C) jerking movements D) changing facial expressions |
B) licking of lips
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60% of all seiaures are? C) complex D) absent |
A) tonic-clonic
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GABA is an _____ neurotransmitter which causes _____ of neurons.
A) inhibitory, hypopolarisation B) excitatory, hyperpolarisation C) inhibitory, hyperpolarisation D) excitatory, hypopolarisation |
C) inhibitory, hyperpolarisation
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The main concern of seizures is? D) dehydration |
B) hypoxia
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If a presynaptic terminal cannot release neurotransmitters you might expect? D) there is an imbalance in neurotransmitters |
C) the person is on calcium channel blockers
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GABA is designed to inhibit action potentials, this can happen in the form of? C) increased sodium influx D) increased potassium efflux |
D) increased potassium efflux
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A GABAergic neuron is designed to?
A) inhibit GABA exciting chlorine channels B) release GABA inhibiting chlorine channels C) inhibit GABA inhibiting chlorine channels D) release GABA exciting chlorine channels |
D) release GABA exciting chlorine channels
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Glutamate is found within?
A) neurological muscles B) synaptic vesicles C) postsynaptic cells D) the synaptic cleft |
B) synaptic vesicles
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Step 4 of a chemical transmission at the synapse involves? C) neurotransmitters being released from the presynaptic terminal |
C) neurotransmitters being released from the presynaptic terminal
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If a person was experiencing a seizure that affected their vision you might suspect?
A) the person is epileptic B) the seizure is localised to the parietal lobe C) the seizure is complex D) the seizures is localised to the occipital lobe |
D) the seizures is localised to the occipital lobe
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A tonic seizure is classified as?
A) complex B) generalised C) simple D) partial |
B) generalised
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Auras can present as?
A) a feeling of deja vu B) experiencing feelings of unrealism C) anxiety D) all of the above |
D) all of the above
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A pre-central gyrus simple, partial seizures may present as?
A) tingling in limbs B) visual deficits C) tonic-clonic motor movements D) unconsciousness |
C) tonic-clonic motor movements
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The two main classification of seizures are? B) tonic-clonic and absent C) partial and generalised |
C) partial and generalised
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GABA medication to control epilepsy involve? C) decreased GABA release and decreased GABA reuptake D) increased GABA release and increased GABA reuptake |
A) increased GABA release and decreased GABA reuptake
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