A Root Canal Removes the Pulp Cavity in the Root

question 18

True/False

A root canal removes the pulp cavity in the root of a tooth.

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Definitions:

Opponent-process Theory

A psychological and neurological model that describes how contrasting colors, emotions, and states are regulated in the human body, stating that the activation of one process automatically triggers the suppression of its opposite.

Bipolar Cell

A type of neuron found in the retina, involved in the transmission of visual signals from photoreceptors to ganglion cells.

Negative Afterimages

A visual phenomenon where the retina retains an image after exposure, often in complementary colors to the original stimulus.

Optic Nerve

A bundle of more than a million nerve fibers that transmit visual signals from the eye to the brain.