Electricity
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Light, heat, chemical and magnetic changes are all produced by: a. force b. electricity c. conductors d. a short circuit | show 🗑
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| show | d. conductor
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| Since silver and copper transmit electricity, they are called: a. electrons b. insulators c. conductors d. closed circuits | show 🗑
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| show | a. insulators
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| show | c. insulator
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| show | d. alcohol
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| An ampere is a unit of electric: a. strength b. pressure c. frequency d. resistance | show 🗑
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| show | c. 1,000
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| show | b. pressure
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| A unit of electrical resistance is called a (n): a. volt b. ohm c. watt d. insulator | show 🗑
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| A measure of how much electric energy is being used is known as a: a. volt b. watt c. load d. conductor | show 🗑
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| A constant electric current flowing in one direction is called a (n): a. direct current b. Faradic Current c. Sinusoidal Current d. alternating current | show 🗑
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| show | c. circuit breaker
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| What steps should NOT be followed to break the circuit when a person comes in contact with an electric current? a. unplug appliance b. turn off all circuit breakers c. touch the person to ground circuit d. knock the person out of circuit with an insulator | show 🗑
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| show | b. electrotherapy
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| When performing an electrotherapy procedure, what apparatus or current conductor is used to bring the current from the appliance to the client's skin? a. watt b. resistor c. electrode d. wall plate | show 🗑
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| The direct current used in electrotherapy treatments is: a. Telsa b. Faradic c. Galvanic d. Sinusoidal | show 🗑
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| The electrode that is negatively charged during an electrotherapy treatment is known as a (n): a. anode b. cathode c. insulator d. grounding wire | show 🗑
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| What temporary effect will a negative electrode pole produce when applying Galvanic Current during an electrotherapy treatment? a. increase in blood flow b. expansion of nerve tissues c. contraction of blood vessels d. production of an acid reaction | show 🗑
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| show | a. softens tissues
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| Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquified, as in deep-pore cleansing? a. Sinusoidal b. anaphoresis c. cataphoresis d. desincrustation | show 🗑
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| show | d. muscle contractions
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| show | b. violet-ray
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| show | a. Tesla
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| show | d. high frequency
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| show | b. indirect application
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| show | c. slightly separating the electrode from the skin
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| show | b. light therapy
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| show | c. infrared rays
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| Which type of light can be broken into its individual wavelengths by a prism? a. infrared b. ultraviolet c. combination d. incandescebt | show 🗑
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| A salon owner wants to minic 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 | show 🗑
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| show | c. infrared rays
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| Which of the following is a benefit of using infrared light during a facial? a. kills bacteria b. produces Vitamin D c. increases circulation d. helps control dandruff | show 🗑
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| Which of the following are also known as actinic rays? a. infrared b. red c. ultraviolet d. white | show 🗑
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| show | c. small doses tan the skin
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| Small doses of ultraviolet light may help the body produce: a. Vitamin A b. Vitamin B c. Vitamin C d. Vitamin D | show 🗑
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| Bacteria that cause skin infections can be killed by: a. infrared light b. ultraviolet light c. fluorescent light d. incandescent light | show 🗑
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| show | c. cleansed
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| When using Galvanic current on clients in a salon what precaution must a cosmetologist take in order to prevent injury to the client A. do not wrap electrodes in moist cotton B. do not use an area having broken capillaries | show 🗑
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| show | 30'
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