A Neuron Normally Fires When

question 41

Multiple Choice

A neuron normally fires when

• A) its sodium-potassium pumps are stimulated.
• B) there is an EPSP.
• C) there is an IPSP.
• D) the degree of depolarization on the axon adjacent to the hillock exceeds the threshold of excitation.
• E) its buttons are stimulated.

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Definitions:

Uplift

The geological process of rising segments of the Earth's crust, contributing to mountain formation and changes in topography.

Sierra Nevada Batholith

A large mass of igneous rock, primarily granite, located in the Sierra Nevada range, formed by the cooling of magma beneath the Earth's surface.

Ocean-Continent Convergence

A tectonic plate boundary situation where an oceanic plate is forced underneath a continental plate, often causing volcanic and seismic activity.

Continental Rifting

The process by which a continent stretches and splits along a rift zone, forming a new ocean basin.