Local Anesthetics Work by

question 4

Multiple Choice

Local anesthetics work by

• A) enhancing the influx of calcium into the cell.
• B) occupying potassium receptors.
• C) increasing nerve impulse transmission.
• D) blocking sodium channels.

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Definitions:

Blind Spot

The point in each retina where there are no rods or cones because the cable of ganglion cells is extending through the retinal wall.

Optic Nerve

A nerve in the brain that carries information related to vision from the retina directly to the brain.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's ability to focus.

Fovea

A tiny pit located in the macula of the retina that provides the clearest vision of detail.