Ch4

20. A salon owner wants to mimic natural sunlight as closely as possible in the salon reception area. Which type of light would most likely be used to accomplish this requirement? a. infrared b. ultraviolet c. fluorescent d. incandescent

p. 104 CF Incandescent light closely mimics natural sunlight.

19. Which of the following will produce a mild, stimulating sensation while using high frequency current? a. wetting the area to be treated b. wrapping the electrode in three towels c. slightly separating the electrode from the skin with a towel d. keeping the electrode in direct contact with the area being tested

p. 101 CF Slightly separating the electrode from the skin with a towel will produce a mild, stimulating sensation during the use of a high frequency current.

22. Which of the following benefits is derived from UV light? a. it burns the skin b. it causes skin infections c. small doses tan the skin d. it photochemically damages hair

p. 105 CF A benefit of UV light is that small doses tan the skin.

21. The minimum distance an infrared light must be placed from the client's face during a facial is: a. 24" b. 10" c. 18" d. 30"

p. 105 CF An infrared light must be placed at least 30 inches from the client's face during a facial.

23. Bacteria that cause skin infections can be killed by: a. infrared light b. ultraviolet light c. fluorescent light d. incandescent light

p. 105 CF Bacteria that cause skin infections can be killed by ultraviolet light.

24. Before using ultraviolet light on a client, the skin or scalp should be: a. wet b. oily c. cleansed d. moisturized

p. 106 CF Before using ultraviolet light on a client, the skin or scalp should be cleansed.

25. Which of the following actions is NOT a safety precaution to use when working with UV light? a. client wears eyewear b. salon professional wears eyewear c. UV lamp is placed at least 3 inches from area to be treated d. UV lamp is placed at least 12 inches from area to be treated

p. 106 CF Safety precautions to use when working with UV light include: client and salon professional wear protective eyewear and the lamp should be at least 12 inches from the area to be treated.

1. Most of the electricity you use daily consists of a flow of tiny, negatively charged particles called: a. atoms b. protons c. neutrons d. electrons

p. 89 CF Most of the electricity you use daily consists of a flow of tiny, negatively charged particles called electrons.

3. A volt is a unit of electric: a. strength b. pressure c. frequency d. resistance

p. 90 CF A volt is a unit of electric pressure.

2. Which of the following materials does NOT allow a current to pass through it? a. metal b. water c. carbon d. alcohol

p. 90 CF Alcohol does not allow a current to pass through it.

4. Cords on appliances should be kept straight and free of knots, kinks, and tangles to prevent: a. volts b. loads c. breaks d. currents

p. 90 CF Cords on appliances should be kept straight and free of knots, kinks, and tangles to prevent breaks.

6. A measure of how much electric energy is being used is known as a: a. volt b. watt c. load d. conductor

p. 91 CF A measure of how much electrical energy is being used is known as a watt.

5. Which of the following changes alternating current to direct current? a. ohm b. rectifier c. insulator d. conductor

p. 91 CF A rectifier changes alternating current to direct current.

7. When a blow dryer is on and air begins to flow, you have an example of: a. open circuit b. series wiring c. closed circuit d. parallel wiring

p. 93 CF If you plug in a blow dryer, turn it on and air begins to flow, you have an example of a closed or complete circuit.

8. Which of the following devices breaks the flow of current when an overload occurs? a. conductor b. insulator c. circuit breaker d. grounding wire

p. 95 CF A circuit breaker breaks the flow of current when an overload occurs.

9. Which of the following should NOT be done if a fire results from an overload of an electric circuit? a. turn off the circuit b. put water on it c. use a fire extinguisher d. smother it with a rug or heavy towel

p. 96 CF If a fire results from an overload of an electric current and an appliance melts and burns, do not put water on it. Turn off the circuit. Smother the fire with a rug or heavy towel, powder or a fire extinguisher.

10. Which of the following steps should NOT be followed to break the circuit when a person comes in contact with an electric current? a. unplug the appliance b. turn off all the circuit breakers c. touch the person to ground the circuit d. knock the person out of the circuit using an insulator such as a broom

p. 96 CF If a person comes in contact with an electric current knock the person out of the circuit using an insulator such as a broom.

11. The effect that is created when an electric current travels through a water-based solution in order to produce relaxing or stimulating results is known as: a. heating b. magnetic c. mechanical effect d. electrochemical

p. 97 CF Electrochemical effects are created when electric current travels through a water-based solution (a liquid conductor) in order to produce relaxing or stimulating results.

14. A current conductor used to direct the current from the appliance to the client's skin is called a(n): a. ohm b. circuit c. electrode d. wavelength

p. 98 CF A current conductor called an electrode is used to bring the current from the appliance to the client's skin.

13. Which of the following currents has chemical effects that are caused by passing the currents through particular acid or alkaline solutions, then through body tissue and fluids? a. Tesla b. Faradic c. Galvanic d. Sinusoidal

p. 98 CF Galvanic current has chemical effects that are caused by passing the current through particular acid or alkaline solutions and/or passing the current through body tissue and fluids.

12. When testing electrodes for polarity, the negative electrode will create: a. still waters b. wavy waters c. larger bubbles d. smaller bubbles

p. 98 CF The negative electrode will create more and smaller bubbles than will the positive electrode.

17. Which of the following uses a negative pole or electrode to force negatively charged solutions into the skin? a. anode b. phoresis c. anaphoresis d. cataphoresis

p. 99 CF Anaphoresis uses a negative pole or electrode to force negatively charged solutions into the skin without breaking the skin.

15. A treatment in which sebum is broken down or blackheads are liquefied, as in deep-pore cleansing, is known as: a. scrubbing b. incrustation c. cleansing d. desincrustation

p. 99 CF Desincrustation is a treatment in which sebum is broken down or blackheads are liquefied, as in deep-pore cleansing.

18. When using Galvanic Current on clients in a salon what precaution must a salon professional take in order to prevent injury to the client? a. do not wrap electrodes in moist cotton b. do not use over an area having broken capillaries c. do not apply the active electrode to the client's skin d. do not allow the client to hold the inactive electrode

p. 99 CF Do not use Galvanic Current over an area that has many broken capillaries.

16. The process of forcing an acid or alkali into the skin by applying current to the chemical is called: a. phoresis b. anaphoresis c. cataphoresis d. iontophoresis

p. 99 CF The process of forcing an acid or alkali into the skin by applying current to the chemical is called phoresis.