Questions
NEUR20001_2025_SM2 Assessment for Workshop 9 - neural plasticity and glia
Single choice
Which of the following statements about the plasticity of synapses in the mammalian CNS is false?
Options
A.In some forms of synaptic plasticity calcium ions play a central role.
B.The strength of synaptic connections is always increased in both short-term and long-term synaptic plasticity.
C.Synaptic efficacy can be adjusted by changes in the amount of neurotransmitter that is released.
D.Changes in synaptic efficacy can occur over different time scales ranging from milliseconds to years.
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Step-by-Step Analysis
Looking at the topic of synaptic plasticity in the mammalian CNS, each statement needs careful evaluation.
Option 1: 'In some forms of synaptic plasticity calcium ions play a central role.' This is accurate, because calcium influx through NMDA receptors or voltage-gated calcium channels is a key trigger for many forms of plastici......Login to view full explanationLog in for full answers
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