American Academy of Professional Coders (AAPC) Practice Exam 2026 - Free AAPC Practice Questions and Exam Prep Guide

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Which of the following are types of granules found in the skin?

Cornified granules and secretion granules

Keratohyaline and lamellated granules

Keratohyaline and lamellated granules are indeed types of granules found in the skin, particularly in the epidermis. Keratohyaline granules play a critical role in the process of keratinization, which is essential for the formation of the skin barrier. These granules contain proteins that aggregate keratin intermediate filaments, providing structural strength to the skin.

Lamellated granules, also known as lamellar bodies, are involved in the secretion of lipids that contribute to the barrier function of the skin. These lipids form a barrier that helps prevent water loss and protects against environmental factors.

Together, these granules are important for maintaining skin health and integrity, highlighting their significance in the outermost layer of the skin, where they contribute to the protective functions necessary for survival in various environments.

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Collagen and elastic granules

Melanin and reticular granules

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