What Is the Primary Difference Between Temporal Summation and Spatial

question 81

Multiple Choice

 What is the primary difference between temporal summation and spatial summation?

• A) Only spatial summation can produce an action potential.
• B) Spatial summation depends on contributions from more than one sensory neuron.
• C) Temporal summation produces a hyperpolarization instead of a depolarization.
• D) Spatial summation alters the response of more than one postsynaptic cell.

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Definitions:

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, responsible for carrying genetic information.

Sister Chromatids

Replicated forms of a chromosome joined together by a common centromere and eventually separated during cell division.

Anaphase II

A stage in meiosis II where sister chromatids are pulled apart by spindle fibers towards opposite poles of the cell.

Meiosis

A process of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.