IPSP is to EPSP as*excitatory is to inhibitorypresynaptic is to postsynapticcable properties are to noncable propertieshyperpolarization is to depolarizationgraded is to nongraded
Question
IPSP is to EPSP as*excitatory is to inhibitorypresynaptic is to postsynapticcable properties are to noncable propertieshyperpolarization is to depolarizationgraded is to nongraded
Solution
IPSP (Inhibitory Post-Synaptic Potential) is to EPSP (Excitatory Post-Synaptic Potential) as inhibitory is to excitatory.
This is because IPSPs are inhibitory potentials that make a neuron less likely to fire an action potential, while EPSPs are excitatory potentials that make a neuron more likely to fire an action potential.
Presynaptic is to postsynaptic does not fit because these terms refer to different parts of a synapse, not different types of potentials.
Cable properties are to noncable properties also does not fit because these terms refer to different types of properties of neurons, not different types of potentials.
Hyperpolarization is to depolarization does fit because hyperpolarization is a process that makes a neuron less likely to fire an action potential (like an IPSP), while depolarization is a process that makes a neuron more likely to fire an action potential (like an EPSP).
Graded is to nongraded does not fit because these terms refer to different types of potentials, not different types of potentials.
So, the best answer is "IPSP is to EPSP as inhibitory is to excitatory".
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