Which of the Following Statements About Neurons Is True

question 9

Multiple Choice

Which of the following statements about neurons is true?

• A) They fire action potentials only on the basis of the number of excitatory inputs they receive.
• B) They sum excitatory and inhibitory postsynaptic potentials.
• C) The "decision" to fire is made in the dendrites.
• D) They make spatial, but not temporal, summations.
• E) Both a and c

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Definitions:

Water Processes

Encompasses the various physical phenomena involving water, including its cycle through the environment (evaporation, condensation, precipitation) and its role in shaping the Earth's surface (erosion, deposition).

Overlapping Spheres

Conceptual representation of how different parts or spheres of an ecosystem or the Earth intersect and interact with each other.

Lithosphere

The rigid outer layer of the Earth, composed of the crust and the upper part of the mantle.

Biosphere

The spherical zone that includes life and all of the places life can exist on, below, and above Earth’s surface.