HOSA Medical Spelling Practice Test

Question: 1 / 1530

What does the cilia in the eye primarily act as?

Filters for visual perception

Protective edges of the eyelid

The cilia in the eye primarily function as tiny hairs that help protect the eyes. Specifically, they are involved in the mechanisms related to the eyelid, contributing to the overall protective barrier against dust, debris, and other foreign particles. This feature is crucial for maintaining eye health and ensuring that the surface of the eye is kept moist and clear.

Other options do not accurately represent the role of cilia. For example, filters for visual perception refer more to structures like the lens and cornea that bend and focus light rather than cilia. Visual receptors are specialized cells in the retina responsible for converting light into neural signals for the brain to interpret but are distinct from cilia. Light reflectors imply a role in bouncing light back rather than serving a protective function.

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Visual receptors

Light reflectors

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