Certified Ophthalmic Assistant Practice Exam

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Study for the Certified Ophthalmic Assistant Exam. Access multiple choice questions that reflect actual exam content and receive hints and explanations for each question. Prepare effectively and embark on your path to certification!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What glands in the eyelid secrete oil?

Meibomian glands
Zeis glands
Lacrimal glands
Goblet cells

The correct answer is: Meibomian glands

The Meibomian glands are the correct choice because they play a crucial role in maintaining the health of the tear film that coats the surface of the eye. Located within the eyelids, these glands secrete an oily substance called meibum. This oil prevents the evaporation of the aqueous layer of the tear film, ensuring that the eyes remain lubricated and comfortable. The other glands mentioned function differently; for instance, the Zeis glands are associated with eyelash follicles and secrete an oily substance that helps condition the eyelashes but do not contribute directly to the tear film composition. Lacrimal glands are responsible for producing the aqueous layer of tears, which provides hydration and nutrients to the eye but do not secrete oil. Goblet cells are responsible for secreting mucus, which is another component of the tear film but is distinct from oil. Understanding the specific functions of these glands is essential for recognizing how they contribute to overall eye health and tear film stability.