WorksheetsSynaptic Transmission
Total questions: 16
Worksheet time: 10mins
An electrical synapse is a connection between two synapses via:
Gap Junction
Neurotransmitter
A chemical synapse requires _________ for an impulse transmission.
Gap Junction
Neurotransmitter
The following is an example of the graded potential, except for:
Postsynaptic potential
Presynaptic potential
Generator potential
Pacemaker potential
Area labelled 'A' in the figure is called:
Synaptic Knob
Synaptic Cleft
Synaptic Chamber
Gap Junction
'B' in the figure is an example of
thermo-sensitive channel
voltage-gated channel
mechano-gated channel
ligand-gated channel
Regarding the mechanism (the sequence of events) of synaptic transmission in a chemical synapse:
1. ______ ______ arrives at the presynaptic terminal/ synaptic knob.
(a)
Regarding the mechanism (the sequence of events) of synaptic transmission in a chemical synapse:
2. Induces the opening of ______-gated _______ channel at the synaptic knob causes influx of the ion.
(a)
Regarding the mechanism (the sequence of events) of synaptic transmission in a chemical synapse:
3. The influx of _______ induces the fusion of vesicles containing __________ at the membrane of the presynaptic terminal.
(a)
Regarding the mechanism (the sequence of events) of synaptic transmission in a chemical synapse:
4. __________ causing depolarization of postsynaptic terminal.
EPSP neurotransmitter
IPSP neurotransmitter
Regarding the mechanism (the sequence of events) of synaptic transmission in a chemical synapse:
4. The depolarization of the postsynaptic terminal must reach the (a) for an action potential to occur and propagate along the axon.
_______ ________ occurs when EPSPs are produced in rapid succession from the same area of stimulus.
Temporal summation
Spatial summation
_______ ________ occurs when different synapses produce EPSPs on the same postsynaptic neuron simultaneously.
Temporal summation
Spatial summation
IPSP neurotransmitter causes __________ of the postsynapse.
Depolarization
Hyperpolarization
EPSP neurotransmitter causes __________ of the postsynapse.
Depolarization
Hyperpolarization
The following is an example of the excitatory postsynaptic potential (EPSP) neurotransmitter except for
Acetylcholine
Glutamate
GABA
aspartic acids.
The binding of the IPSP neurotransmitter to its receptor causes the opening of
ligand-gated potassium channel
ligand-gated sodium channel
