NIC Nail Technician Written ExamNail Technology ProceduresMedium
A client presents with significant lifting around the cuticle area of her acrylic nails, and upon closer inspection, the technician observes a greenish-yellow discoloration under the lifted area. The client reports no pain or swelling. What is the most likely cause of this discoloration?
- AFungal infection (Onychomycosis)
- BAllergic reaction to the acrylic product
- CBacterial infection (Pseudomonas aeruginosa)
- DTrauma to the nail plate causing bruising
Show answer & explanationAnswer & explanation
Correct answer: C. Bacterial infection (Pseudomonas aeruginosa)
The greenish-yellow discoloration under lifted nail enhancements, particularly in the absence of pain or swelling, is a classic sign of Pseudomonas aeruginosa bacterial growth, often referred to as 'greenies.'
Why the other options are wrong
- A. Fungal infections (onychomycosis) typically present as thick, brittle, discolored (yellow, brown, white) nails, not specifically green-yellow under lifted acrylics.
- B. An allergic reaction would typically manifest as redness, itching, swelling, or blistering of the skin around the nail, not necessarily a greenish discoloration under the nail.
- D. Trauma would usually cause a subungual hematoma (bruise), which appears dark red, purple, or black, not green-yellow.
Pseudomonas (Greenies)
A common bacterial infection caused by Pseudomonas aeruginosa that thrives in moist environments, often appearing as a greenish-yellow to dark green discoloration under lifted artificial nails.
- Caused by Pseudomonas aeruginosa bacteria
- Thrives in moisture trapped under lifted enhancements
- Presents as greenish-yellow to dark green discoloration
- Often asymptomatic (no pain/swelling)
- Requires removal of enhancement, thorough cleaning, and air exposure
Memory trick: Pseudomonas Produces a Peculiar Green Pigment.