Cosmetology Electricity Quiz

What type of current is used by most handheld hair dryers in cosmetology?

• Direct Current (DC)

• Alternating Current (AC)

• Static Electricity

• Galvanic Current

Which of the following electrical equipment is NOT commonly used in cosmetology?

• High-frequency machine

• Microcurrent device

• Ultraviolet light sterilizer

• Microwave oven

What is the primary effect of galvanic current when used in cosmetology treatments?

• Muscle relaxation

• Hair removal

• Chemical decomposition

• Skin exfoliation

Tags

NGSS.HS-PS2-5

How does the use of infrared light in cosmetology affect the human body?

• Decreases blood circulation

• Increases blood circulation

• Reduces muscle activity

• Enhances muscle activity

What is the purpose of using a Tesla high-frequency machine in cosmetology?

• To create a magnetic field around the hair follicle

• To sterilize skin and tools

• To improve skin hydration

• To reduce the appearance of cellulite

Tags

NGSS.HS-PS4-5

Which type of electrical current is used for facial and scalp treatments due to its ability to stimulate muscle contractions?

• Direct Current (DC)

• Alternating Current (AC)

• Sinusoidal Current

• Galvanic Current

What is the effect of ultraviolet (UV) light usage in cosmetology?

• Promotes faster hair growth

• Sterilizes equipment and surfaces

• Increases skin elasticity

• Reduces skin hydration

Which of the following is NOT a recommended practice for ensuring electrical safety in a cosmetology salon?

• Regular inspection of electrical cords for damage

• Using appliances with wet hands

• Keeping electrical appliances away from water sources

• Disconnecting appliances when not in use

Microcurrent treatments in cosmetology are primarily used for what purpose?

• Hair coloring

• Skin rejuvenation

• Permanent hair removal

• Nail strengthening

What is the main reason for grounding electrical devices in a cosmetology salon?

• To increase the device's power efficiency

• To prevent electric shock by providing a path for excess electricity

• To reduce the electromagnetic field around the device

• To improve the device's performance