Certified Endoscope Reprocessor (CER) Practice Test 2025 – Your All-in-One Guide to Exam Success!

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Can biofilm and fungus form underneath fingernails?

True

Biofilms and fungi can indeed form underneath fingernails. Biofilm refers to a structured community of bacteria and other microorganisms that adhere to surfaces, often in a protective layer. Underneath fingernails, especially if they are not regularly cleaned, these microorganisms can proliferate, creating a biofilm. Similarly, fungi, such as dermatophytes, can thrive in the warm, moist environment that can develop beneath fingernails, contributing to infections like onychomycosis (nail fungus).

The formation of these microorganisms is facilitated by various factors including poor personal hygiene and the presence of moisture, which increases the likelihood of microbial colonization. Understanding this process highlights the importance of nail care and hygiene to prevent fungal infections and biofilm buildup under the nails.

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False

Only if hands are dirty

Only in humid conditions

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