Esthetics: Foundations Chapter 7

Julie relies on a constant, even flow of electricity that is produced by chemical means for the wireless tools she uses in her daily work. What is Julie looking for? A. A Direct Current B. An Indirect Current C. An Insulator D. A Nonconductor

A. A Direct Current

Which of the following is an electrical safety device that is designed to prevent excessive current from passing through a circuit by blowing out or melting when a wire becomes too hot from overloading the circuit with too much current? A. A Fuse B. A Circuit Breaker C. An Ampere D. A Nonconductor

A. A Fuse

Electricity use impacts ______ of the services that beauty professionals offer their clients. A. All B. Most C. About Half D. A Small Handful

A. All

Which of the following is used as an applicator for directing electric current from an electrotherapy device to the client's skin? A. An Electrode B. An OHM C. A Modality D. A Fuse

A. An Electrode

In which of the following locations would a GFI MOST likely be required? A. Bathroom B. Bedroom C. Office Building D. Basement

A. Bathroom

Which of the following reactions can be expected when using Cataphorisis? A. Closing of Pores B. Stimulation of Nerves C. Increase in Blood Supply D. Softening of Tissues

A. Closing of Pores

Which of the following BEST differentiates between direct current and alternating current? A. Direct current flows in one direction, whereas alternating current flows back and forth. B. Direct current flows back and forth, whereas alternating current flows in one direction. C. Direct current is not truly an electrical current, whereas alternating current is. D. Direct current is the true form of electrical current, whereas alternating current is not.

A. Direct current flows in one direction, whereas alternating current flows back and forth.

The use of electrical currents to treat the skin is called __________. A. Electrotherapy B. Electrocution C. Electrolysis D. Electrode

A. Electrotherapy

Just as Sandra turned on her electrical device, all the appliances in the business shut off and the lights went dark. It turned out that Sandra's device, added to all of the other appliances that were in use, was asking for too much amperage. Which of the following did Sandra MOST likely have to do to quickly get the power back on? A. Flip the main circuit switch on the circuit breaker. B. Lower the amperage of the appliances in use. C. Change the current in the establishment from direct to alternating. D. Replace the conductors in the establishment with inductors.

A. Flip the main circuit switch on the circuit breaker.

Klaus has noticed that, throughout the establishment, there are ground fault interrupters (GFIs) in the walls beside all the sinks, bathrooms, and the employee kitchen, Why are these types of receptacles strategically placed in these locations? A. GFIs are required in places where shock hazards are likely (such as near any running water). B. GFIs are required wherever direct current is transferred to alternate current (such as bathrooms). C. GFIs are most useful in salons, spas, and barbershops because appliances that heat up can only operate when a GFI is in place. D. GFIs are most useful in salons, spas, and barbershops because when multiple appliances are in use, GFIs must be in place.

A. GFIs are required in places where shock hazards are likely (such as near any running water).

You are a worker at a high-end establishment that uses cutting-edge technology and techniques in treating clientele. Your newest client, Gregory, has just told you that his doctor is recommending UC light therapy as part of his overall path toward better health. Which of the following is MOST likely the reason why Gregory's doctor has recommended this particular type of light exposure as part of his therapy? A. Gregory is very low on vitamin D B. Gregory is at high risk for developing skin cancer C. Gregory has skin cancer D.Gregory is developing premature wrinkles

A. Gregory is very low on vitamin D

What does a watt measure? A. How much electric energy is used in one second. B. The pressure or force that pushes electric current through a machine. C. The strength of an electric current. D. The resistance of an electric current.

A. How much electric energy is used in one second.

How does energy move through space? A. In Waves B. Elecromagnetically C. By Physical Force D. Mechanically

A. In Waves

Which of the following BEST differentiates between long wavelengths and short wavelengths? A. Long wavelengths have low frequency; short wavelengths have high frequency. B. Short wavelengths have low frequency; long wavelengths have high frequency. C. Long wavelengths are visible; short wavelengths are not. D. Short wavelengths are visible; long wavelengths are not.

A. Long wavelengths have low frequency; short wavelengths have high frequency.

Owner Samuel's client, Janine, has just learned she has skin cancer. While Janine's doctor told her that the cancer is most likely treatable, she is still concerned about further exposure and damage. She asks Samuel which type of light caused her skin cancer. Which of the following types of light most likely did so? A. Ultraviolet B Light B. Ultraviolet C Light C. Infrared Light D. Visible Light

A. Ultraviolet B Light

Which type of light prompts the skin to produce beneficial vitamin D? A. Ultraviolet Light B. Infrared Light C. Fluorescent Light D. Galvanic Light

A. Ultraviolet Light

Which percentage of natural sunlight is visible, making up the visible spectrum of light? A. 10% B. 35% C. 70% D. 95%

B. 35%

Which of the following is an example of an electrical safety device that you may encounter when working in a salon, spa, or barbershop? A. An Ampere B. A Circuit Breaker C. An Alternating Current D. A Conductor

B. A Circuit Breaker

Why is copper used in electrical wiring and electrical motors? A. Because it is inexpensive. B. Because it is a good conductor. C. Because it is a good insulator. D. Because it provides safeguards against electrocution.

B. Because it is a good conductor.

While working on a customer, Cindy accidentally dropped her electrical device into a sink full of water. Which of the following should Cindy do? A. Cindy should quickly grab the device out of the sink full of water. B. Cindy should quickly unplug the device from the outlet. C. Cindy should run over to the circuit breaker panel and shut down all the power to the establishment. D. Cindy should get everyone out of the establishment and call the fire department.

B. Cindy should quickly unplug the device from the outlet.

Which of the following types of energy is most likely associated with nuclear power plants? A. Radio Waves B. Gamma Rays C. X-Rays D. Microwaves

B. Gamma Waves

The third circular electrical connection on a three-prong plug is called a ______. A. Ground Faulting Interrupter (GFI) B. Grounding Pin C. Circuit Breaker D. Fuse

B. Grounding Pin

Alycia notices a prior employee tried to repair a crack in the power cord on an electrical device with an insulator. Which of the following may have been used as an insulator? A. Disinfecting Wipes B. Heavy Rubber Tape C. A Rag D. A Heavier Gauge Wire

B. Heavy Rubber Tape

Which of the following is TRUE of fluorescent light? A. It is warmer than natural sunlight. B. It is cooler than natural sunlight. C. It is a yellow-gold light. D. It is a type of incandescent light.

B. It is cooler than natural sunlight.

Which of the following is TRUE of ultraviolet light? A. It has a long wavelength. B. It is invisible. C. It slows chemical reactions. D. It is hot light.

B. It is invisible.

What is TRUE of a wire that is not large enough to carry the electrical current passing through it? A. It will not power the device. B. It will overheat. C. It will electrocute the user. D. It will save energy.

B. It will overheat.

Light therapy is also known as _______. A. Heat Therapy B. Phototherapy C. Radiotherapy D. Laser Therapy

B. Phototherapy

Which of the following reactions can be expected when using Anaphoresis? A. Closing of Pores B. Stimulation of Nerves C. Increase in Blood Supply D. Softening of Tissues

B. Stimulation of Nerves

Which of the following BEST differentiates a positive electrode from a negative electrode? A. The positive electrode is called a Cathode; the negative electrode is called an Anode. B. The positive electrode is called an Anode; the negative electrode is called a Cathode. C. The positive electrode has an electric charge; the negative electrode does not. D. The positive electrode has no electric charge; the negative electrode does.

B. The positive electrode is called an Anode; the negative electrode is called a Cathode.

Jeremy is having a hard time getting his electrical equipment to work properly for his clients. The technician who came to look at the situation advised Jeremy that the current os not able to flow through the wires efficiently. Why is this MOST likely the case? A. The force (volts) is stronger than the resistance (ohms). B. The resistance (ohms) is stronger than the force (volts). C. The amperage of the appliances is rated higher than the cords being used. D. The amperage of the appliances is rated lower than the cords being used.

B. The resistance (ohms) is stronger than the force (volts).

Many of Wilson's clients complain to him that their skin always appears very bluish-green when they are sitting in his chair. Which of the following would most likely be the cause of this? A. the incandescent lighting just above Wilson's station B. the fluorescent lighting just above Wilson's station C. the ultraviolet lighting just above Wilson's station D. the natural sunlight that comes in from the window beside Wilson's station

B. the fluorescent lighting just above Wilson's station

Alyssa noticed that the electrical device she uses on the job has a three-pronged plug that was to be inserted into a three-pronged outlet in the wall. Since there were only two-pronged outlets in the room, Alyssa purchased an adapter to connect her three-pronged device to a two-pronged outlet. Why was this a bad idea? A. Adapting a three-pronged plug to fit into a two-pronged outlet changes the appliance's amperage. B. Adapting a three-pronged plug to fit into a two-pronged outlet switches direct current into alternating current. C. Adapting a three-pronged plug to fit into a two-pronged outlet eliminates the intended grounding. D. Adapting a three-pronged plug to fit into a two-pronged outlet makes the conductor an inductor.

C. Adapting a three-pronged plug to fit into a two-pronged outlet eliminates the intended grounding.

As a business owner, Brenda knows the importance of electrical safety. Each evening, she is the last person to leave work. Before she leaves, she makes sure that all the electrical appliances are shut off and unplugged. For any that have been left plugged in, she carefully unplugs them by pulling the plug, not the cord. Every morning, Brenda arrives before any employees arrive and first plugs all of the appliances back in, then carefully cleans them. Finally, she makes sure that all cords to the appliances are tucked away and not left in the middle of the room for customers/employees to trip over. What, if anything, has Brenda done wrong? A. Brenda has done nothing wrong B. Brenda should unplug the appliances by the cord, not the plug C. Brenda should not clean the appliances while they are plugged in D. Brenda should leave all appliance cords out in the middle of the floor so that people can see them

C. Brenda should not clean the appliances while they are plugged in

A condition that prohibits certain treatments is called a _________. A. Cathode B.Catalyst C. Contraindication D. Conductor

C. Contraindication

Cornelius is opening a beauty business. He will need to have a thorough understanding of electricity for all EXCEPT which of the following reasons? A. Cornelius will rely on a variety of electrical devices. B. Cornelius will rely on lighting and air temperature controls for the comfort of his clients. C. Cornelius will need to be able to quickly repair electrical devices when they malfunction. D. Cornelius will need to be able to properly care for a variety of electrical devices.

C. Cornelius will need to be able to quickly repair electrical devices when they malfunction.

Which of the following is TRUE of Galvanic Current? A. It is a broken, inconsistent current. B. It is an indirect current. C. It has a positive and negative pole. D. It does not produce a chemical change.

C. It has a positive and negative pole.

Manny is excited to use his new series of hand-held appliances on his clients this week. His boss has told Manny to come to work prepared to get used to the new equipment. All Manny knows is that the appliances are expensive, top-of-the-line, and run on an alternating current. Manny has already cleaned off his station, made sure that he as ample space to work, properly disposed of his old appliances, and picked up plenty of batteries. What mistake, if any, has Manny made? A. Manny has not made a mistake B. Manny should not have disposed of his old equipment C. Manny should not have purchased any batteries D. Manny should not have cleaned out and made extra space at his station

C. Manny should not have purchased any batteries

Which of the following is NOT good electrical safety advise? A. Read all electrical safety instructions carefully. B. Inspect all electrical equipment regularly. C. Pull on the cord, not the plug, when disconnecting and electrical appliance. D. Keep electrical cords off the floor and away from everyone's feet.

C. Pull on the cord, not the plug, when disconnecting and electrical appliance.

Your client, Rachel, sat down with you to discuss her client intake form before she receives Tesla high-frequency current, which is commonly used on electrical facial and scalp treatments. What might Rachel have told you that would lead you to rule out Tesla high-frequency current as a treatment option for her? A. Rachel told you that she has bad acne B. Rachel told you that her condition is specific to her scalp C. Rachel told you that she is pregnant D. Rachel told you that she feels she needs to increase both elimination and absorption

C. Rachel told you that she is pregnant

Which of the following should you do if you receive a light shock sensation while using an electrical appliance? A. Continue using the appliance with caution. B. Attempt to repair the appliance immediately. C. Unplug the appliance from the wall. D. Give the appliance a short break before using it again.

C. Unplug the appliance from the wall.

Jamil plugged an electrical device into the outlet on the wall and it immediately started to spark. Jamil, very startled, wasn't sure what to do. What should Jamil do? A. Wait five minutes to see if the sparking stops, then continue using the device. B. Unplug the device and attempt to repair it before trying to plug it in again. C. Unplug the device immediately and use another until that one can be replaced. D. Throw the device away and immediately call the fire department.

C. Unplug the device immediately and use another until that one can be replaced.

Which of the following is a good example of an insulator? A. Copper B. Tap Water C. Wood D. Steel

C. Wood

You are the manager of a beauty business. You are startled during a busy afternoon when one of your beauty pros, Wanda, starts screaming that her electrical device, which she's holding onto, is sending powerful shocks up her hand and arm. What should you do? A. Yell to Wanda to keep hold of the device and grab an insulator with her other hand B. Yell to Wanda to keep hold of the device and grab a conductor with her other hand C. Yell to Wanda to drop the device immediately D. Run over to Wanda and grab the device out of her hand

C. Yell to Wanda to drop the device immediately

In order to practice good electrical safety, ALWAYS __________. A. Attempt to repair electrical appliances when they malfunction. B. Twist electrical cords to protect against a short circuit. C. Attempt to clean around electrical outlets while equipment is plugged in. D. Disconnect appliances when they are not in use.

D. Disconnect appliances when they are not in use.

Which of the following is Tesla high-frequency current used for? A. Slowing blood circulation B. Decreasing elimination and absorption C. Decreasing skim metabolism D. Improving germicidal action

D. Improving germicidal action

Which of he following is TRUE of electricity? A. It occupies space, but has no mass. B. It has mass, but occupies no space. C. It occupies space and has mass. D. It does not occupy space or have mass.

D. It does not occupy space or have mass.

Which of the following is TRUE of alternating current? A. It is produced by chemical means. B. It travels in only one direction. C. It is most often found in batteries. D. It is a rapid, interrupted current.

D. It is a rapid, interrupted current.

Which of the following is TRUE of infrared light? A. It is visible to the eye. B. It is galvanic. C. It is bluish light. D. It produces heat.

D. It produces heat.

Which of the following types of effects does electricity exhibit? A. Magnetic B. Magnetic and Thermal C. Magnetic and Chemical D. Magnetic, Thermal, and Chemical

D. Magnetic, Thermal, and Chemical

For which of the following would microcurrent be MOST useful? A. Removing the natural protective barrier of the skin B. Slowing healing time for acne lesions C. Decreasing muscle tone D. Reducing redness and inflammation

D. Reducing redness and inflammation