The Snellen Chart Is a Common Test of Visual Acuity

question 350

True/False

The Snellen chart is a common test of visual acuity that requires that person to read rows of letters of diminishing size until he or she can no longer distinguish them.

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Definitions:

Hippocampus

A major component of the brain in humans and other vertebrates, involved in the consolidation of information from short-term memory to long-term memory, and in spatial memory that enables navigation.

Receptor Site

Specific regions on the surface of cells or within cells designed to bind with certain substances, including neurotransmitters, hormones, and drugs.

Neurotransmitter

Chemical substances released by neurons to transmit signals across a synapse to another neuron, a muscle cell, or some other kind of cell.

Sympathetic Nervous System

Part of the autonomic nervous system that activates the body's rapid involuntary response to dangerous or stressful situations.