Patient Care Technician (PCT) AAH Practice Exam

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What does the prefix "epi-" mean?

On top
Upon
Below
Sub

The correct answer is: On top

The prefix "epi-" originates from Greek and means "upon" or "on top of." It is commonly used in medical terminology to indicate a position or a location that is situated above or over another structure. For example, in anatomy, "epidermis" refers to the outer layer of skin that sits on top of the underlying dermis. The concept of "upon" is also closely related, capturing the essence of being situated over or against something, which some may associate with the correct choice. Clarity can arise from understanding these nuances in usage. The other options typically indicate lower positioning, like "below" or "sub," which conveys an entirely different meaning not aligned with the prefix "epi-."