NIC Electrology theory exam: 10 free practice questions

Ten real questions from our NIC Electrology bank, with the keyed answer and an explanation for each. No signup, nothing to install.

  1. Electrology Procedures and Services

    1. Client records in electrolysis practice serve to:

    1. Provide evidence for advertising claims and marketing about the electrologist's approach.
    2. Replace the need for verbal consultation because written records contain all necessary client information.
    3. Document treatment history, track progress, record medical information, and ensure continuity between visits.
    4. Satisfy insurance billing requirements, since health plans cover electrolysis as a medical service.

    Answer: Document treatment history, track progress, record medical information, and ensure continuity between visits.

    Records document: medical history, treatment areas, modality, settings, responses, progress. Essential for continuity, legal protection, and professional standards.

  2. Scientific Concepts

    2. A client arrives for treatment and the electrologist notices the sterilization indicator on the probe pouch has not changed color. The electrologist should:

    1. Use the probe anyway, because the indicator color change is a cosmetic feature.
    2. Proceed but double the treatment time, as the pouch indicator only shows packaging color coding, not the probe's sterility.
    3. Not use the probe, because an unchanged indicator shows the pouch did not reach the required conditions.
    4. Use the probe only for Thermolysis, because the color indicator applies to Galvanic treatments.

    Answer: Not use the probe, because an unchanged indicator shows the pouch did not reach the required conditions.

    Chemical indicators on sterilization pouches change color when exposed to proper sterilization conditions. No change = conditions may not have been met. Re-sterilize or use a verified probe.

  3. Electrology Procedures and Services

    3. The thin wire-like implement inserted into the follicle during electrolysis is called a:

    1. Electrode pad.
    2. Probe.
    3. Filament.
    4. Cannula.

    Answer: Probe.

    The probe (also called needle) is inserted into the follicle alongside the hair shaft. It delivers current to the papilla. Available in various sizes and types.

  4. Scientific Concepts

    4. An autoclave sterilizes instruments by using:

    1. Dry heat at atmospheric pressure for an extended period to desiccate all surface microorganisms slowly.
    2. Chemical vapor from liquid disinfectant heated to boiling inside a sealed pressure chamber for ten minutes.
    3. Ultraviolet radiation at high intensity for thirty minutes to break down microbial DNA on metal surfaces.
    4. Pressurized steam at high temperature for a specified time to destroy all microbial life including spores.

    Answer: Pressurized steam at high temperature for a specified time to destroy all microbial life including spores.

    Autoclave: pressurized steam (typically 250°F/121°C at 15 psi for 15-30 min). Heat, moisture, and pressure destroy all life forms including resistant spores.

  5. Electrology Procedures and Services

    5. When documenting treatment in the client record, the electrologist should note:

    1. Only the modality used, because all other parameters are standardized or fixed and do not vary.
    2. Just the date and duration because the epilator's memory chip already logs the modality and intensity settings to the file automatically at the session's end.
    3. The area treated, modality, intensity settings, client response, number of hairs treated, probe size, and any adverse reactions or aftercare notes given.
    4. Only adverse reactions because normal treatments do not require any documentation in the record.

    Answer: The area treated, modality, intensity settings, client response, number of hairs treated, probe size, and any adverse reactions or aftercare notes given.

    Document: date, area, modality, intensity, duration, hair count, client response, reactions, aftercare given. Complete records ensure continuity and professional/legal protection.

  6. Scientific Concepts

    6. The muscle attached to the hair follicle that contracts to produce goosebumps is the:

    1. Frontalis.
    2. Arrector pili.
    3. Platysma.
    4. Orbicularis oculi.

    Answer: Arrector pili.

    The arrector pili is a small involuntary muscle attached to each follicle. Contraction (cold, fear) pulls the follicle upright, creating goosebumps.

  7. Electrology Procedures and Services

    7. A client arrives for treatment with a visible open wound in the planned treatment area. The electrologist should:

    1. Avoid the wounded area and treat only surrounding healthy skin during the current appointment.
    2. Apply a bandage over the wound and treat directly on top of the covered area at all settings.
    3. Proceed with treatment directly through the wound because electrolysis current sterilizes the tissue.
    4. Apply antiseptic to the wound and proceed with treatment at a reduced current intensity level.

    Answer: Avoid the wounded area and treat only surrounding healthy skin during the current appointment.

    Open wounds: avoid the area — risk of infection, BBP exposure, and further tissue damage. Treat surrounding healthy skin or postpone until healed.

  8. Scientific Concepts

    8. During which phase does the hair follicle shrink and the hair detach from the dermal papilla?

    1. Catagen.
    2. Anagen.
    3. Exogen.
    4. Telogen.

    Answer: Catagen.

    Catagen is the transition phase (2-3 weeks). The follicle shrinks, hair detaches from the papilla, and growth ceases. Treatment during catagen is ineffective.

  9. Electrology Procedures and Services

    9. A client's medical history should be reviewed before treatment primarily to:

    1. Establish a legal defense and record in case the client files a lawsuit after side effects.
    2. Identify medical conditions or medications that contraindicate treatment or require modifications to ensure client safety.
    3. Determine insurance coverage or benefits for electrolysis so billing codes can be submitted.
    4. Evaluate whether the client's hair growth falls within normal limits and requires no treatment at all for this cycle of growth.

    Answer: Identify medical conditions or medications that contraindicate treatment or require modifications to ensure client safety.

    Medical history identifies: pacemakers, implants, seizure disorders, pregnancy, blood thinners, isotretinoin, diabetes, autoimmune conditions. All affect treatment decisions.

  10. Electrology Procedures and Services

    10. The purpose of stretching the skin during probe insertion is to:

    1. Compress the subcutaneous tissue and bring the dermal papilla closer to the skin surface.
    2. Thin the epidermis so the probe can penetrate through the skin surface rather than entering the follicle opening itself.
    3. Open the follicle mouth and straighten the follicle so the probe can reach the papilla without piercing the follicle wall.
    4. Increase the client's pain tolerance by stimulating surrounding nerve endings before probe contact.

    Answer: Open the follicle mouth and straighten the follicle so the probe can reach the papilla without piercing the follicle wall.

    Skin stretching opens the follicle opening, straightens the follicle path, and makes the target visible. Essential for accurate insertion. Stretch in the direction of hair growth.

Email me my score and the answer review (optional):

Get the full practice tests →

These ten are the free preview. The full bank is ten timed tests with a rationale on every question, one-time price, lifetime access.

See the full practice tests →

NICPrep is an independent prep resource and is not affiliated with the National-Interstate Council of State Boards of Cosmetology (NIC) or any state board. No question here is taken from a live examination.