
6.5 IB Synaptic Transmission
Authored by Ruth Hamilton
Biology
11th - 12th Grade
Used 279+ times

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1.
MULTIPLE CHOICE QUESTION
5 mins âĒ 1 pt
What is W?
Axon Terminal
Neurotransmitters
Dendrite
Synapse
Answer explanation
The dendrites are the receives of the new action potential.
2.
MULTIPLE CHOICE QUESTION
5 mins âĒ 1 pt
What is Y?
Axon terminal
Neurotransmitters
Dendrite
Synapse
Answer explanation
The axon terminal is where the action potential ends and is ready to move across the synapse.
3.
MULTIPLE CHOICE QUESTION
5 mins âĒ 1 pt
Where are neurotransmitters located within in neuron?
axon terminals
dendrites
Schwann cells
cell body
Answer explanation
Neurotransmitters are found in the vesicles, ready to migrate to the presynaptic membrane.
4.
MULTIPLE CHOICE QUESTION
5 mins âĒ 1 pt
Calcium ions (Ca2+)are responsible for.....
signaling the release of the neurotransmitter
signaling Na+ to be released into the membrane
signaling the release of K+ out of the membrane
serving as the neurotransmitter
Answer explanation
The in-flood of Ca2+ ions sets of the chain of events, without the Ca2+ ions the action potential will 'die'.
5.
MULTIPLE CHOICE QUESTION
5 mins âĒ 1 pt
These are chemical substances that breaks down a neurotransmitter so that the post synaptic neuron can depolarize in order to fire again...
Enzymes
Ions
Lipids
Binding agents
Answer explanation
If the neurotransmitter is not broken down then it all sorts of problems can occur.
6.
MULTIPLE CHOICE QUESTION
5 mins âĒ 1 pt
The actual gap in the synapse is called the...
synaptic bridge
synaptic vesicle
synaptic membrane
synaptic cleft
7.
MULTIPLE CHOICE QUESTION
45 sec âĒ 1 pt
Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called ...
myelin sheath
axon
threshold
synapse
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