Quiz 1 | Synapse | dr nageeb
Understanding Synapses: A Neurobiology Quiz
Test your knowledge of synapses and their fun
Join us to enhance your understanding of neurobiology through:
- Multiple choice questions
- Engaging content
- Instant feedback on your answers
Which is the commonest type of synapse in the CNS?
Axodendritic synapse
Axosomatic synapse
Axoganglionic
Excitatory postsynaptic potentials (EPSP) may be produced by all the following EXCEPT:
Opening of Cl- channels
Opening of Na+ channels
Opening of Ca++ channels
Inhibitory postsynaptic potentials (IPSP) may be produced by
Closure of Ca++ channels
Closure of K+ channels
Closure Cl- channels
Which of the following statements about EPSPs is incorrect?
They are propagated down the postsynaptic neuron
They undergo spatio-temporal summation
They are proportional to the amount of transmitter released by the presynaptic neuron.
Renshaw cell inhibition of alpha motor neurons is an example of:
Negative feedback inhibition
Direct inhibition
Lateral inhibition
Postsynaptic inhibition
All of the above
(train) of impulses travelling in a pre- synaptic neuron causes:
An increase in the permeability of the pre- synaptic nerve terminals to calcium.
A spatial summation in the post-synaptic neuron.
Which of the following is an inhibitory neurotransmitter in the central nervous system (CNS)?
Norepinephrine
Serotonin
γ-Aminobutyric acid (GABA)
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