Esthetics Program

Chapter 8: Salon Electrical Fundamentals

Electrical Currents, Safety & Treatment Modalities|37 Questions|Board Exam Prep

Student Name

Date

Instructor

Score

Vocabulary Matching

Match each numbered term with the correct lettered definition.

Terms

1.Galvanic current

2.High-frequency current

3.Iontophoresis

4.Desincrustation

5.Electrode

6.Volt

7.Ampere

8.Milliampere

9.Circuit breaker

10.Grounding

Definitions

A.Constant direct current used for iontophoresis and desincrustation

B.Alternating current used to stimulate circulation and kill bacteria

C.Using galvanic current to push water-soluble products into skin

D.Using galvanic current with alkaline solution to soften sebum

E.Applicator directing electric current to the client's skin

F.Unit measuring electrical pressure or force

G.Unit measuring strength of electric current flow

H.One-thousandth of an ampere; unit for esthetic devices

I.Safety device interrupting flow when current exceeds safe level

J.Safety measure directing current to ground during short circuit

Fill in the Blank

Complete each statement with the correct word or phrase.

11.Two types of current are direct current and current.

12.Galvanic is a form of current flowing in one direction.

13.Using galvanic current to push products into skin is .

14.During desincrustation the active electrode is the pole.

15.High-frequency produces a mild effect killing bacteria.

16.One ampere equals milliamperes.

17.The path current travels is called the .

18.Always check for or damaged cords before using equipment.

Multiple Choice

Select the best answer for each question.

19.Which modality helps vitamin C serum penetrate deeper?

A. High-frequency B. Galvanic iontophoresis C. Faradic current D. Tesla current

20.The positive pole (anode) causes:

A. Increases blood flow B. Decreases blood flow, firms and calms skin C. Kills bacteria D. Produces heat

21.High-frequency electrode for acne contains:

A. Helium B. Argon (violet light) C. Neon D. Oxygen

22.Most important electrical safety precaution?

A. Dim lighting B. Never use near water without proper protocols C. Playing music D. Client wearing jewelry

23.Current in esthetic devices is measured in:

A. Volts B. Watts C. Milliamperes D. Ohms

24.Contraindication for galvanic/high-frequency?

A. Oily skin B. Pregnancy or pacemaker C. Dehydrated skin D. Sun damage

25.Indirect high-frequency involves:

A. Electrode directly on skin B. Client holds electrode while esthetician massages C. No electrode D. Gauze barrier only

26.Electrical overload is prevented by:

A. Unplugging at night B. Circuit breaker or fuse C. Extension cords D. Leaving on standby

True or False

Write T for True or F for False in the blank.

27.Galvanic current is alternating current.

28.High-frequency has germicidal properties killing bacteria.

29.Iontophoresis uses positive pole for positively charged products.

30.Never use electrical equipment on clients with pacemakers.

31.It is safe to use electrical modalities on broken skin.

32.The Watt measures electrical energy used per second.

33.GFCI outlets are recommended where water is present.

34.High-frequency can be applied using direct or indirect method.

Short Answer

Answer each question in 2-4 complete sentences.

35.Explain the difference between galvanic and high-frequency current with treatment examples.

36.What is iontophoresis and why is polarity understanding important?

37.List three electrical safety precautions for the treatment room.