Medical MCQ-What propey of the postsynaptic neuron would optimize the effectiveness of two closely spaced axodendritic synapses?

What propey of the postsynaptic neuron would optimize the effectiveness of two closely spaced axodendritic synapses?

A high membrane resistance

A high dendritic cytoplasmic resistance

A small cross-sectional area

A small space constant

Question Category:

Physiology

Correct Answer:

A high membrane resistance

Description:

Space constant increases with increasing membrane resistance or decreasing cytoplasmic resistance.Cytoplasmic resistance decreases as the cross-sectional area increases.Ref: Guyton; 13th edition; Chapter 46 Organization of the Nervous System, Basic Functions of Synapses, and Neurotransmitters

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