Laser and Light Mock exam - 2

Which class of laser is considered to have a medium risk to eyes and a low risk to skin?

• A) Class 3R

• B) Class 3B

• C) Class 2

• D) Class 1

What factors determine the risk associated with light exposure to the eyes?

• Wavelength and energy only

• Wavelength, energy, and duration of exposure

• Duration of exposure only

• Energy and divergence only

What is the effect of UVC and UVB radiation on the human eye?

• Causes inflammation of the cornea

• Causes blindness

• Protects the retina

• Targets the surface of the cornea

What potential harm does Visible IR-A Light (400nm- 1400nm) pose to the human eye?

• Causes harm to the cornea and aqueous humor

• Targets the surface of the cornea

• Causes inflammation of the cornea

• Can impact the retina causing burns and possibly blindness

What does MPE stand for in the context of laser exposure?

• Maximum Possible Exposure

• Minimum Permissible Exposure

• Maximum Permissible Exposure

• Median Permissible Exposure

What factors determine the Maximum Permissible Exposure (MPE) for lasers?

• The color and size of the laser

• The wavelength and exposure time

• The intensity and frequency of use

• The manufacturer and model of the laser

What do the codes on the goggles used during laser and IPL treatments indicate?

• The price and manufacturer

• The style and comfort level

• Their optical safety range

• The warranty period

Do medical lasers typically exceed the MPE limits?

• Yes, all medical lasers exceed the MPE limits

• No, medical lasers never exceed the MPE limits

• Only high-powered medical lasers exceed the MPE limits

• Only cosmetic medical lasers exceed the MPE limits

What does NOHD stand for in laser safety?

• Non-Optical Hazard Distance

• Nominal Ocular Hazard Distance

• Normal Optical Hazard Determination

• None of the above

What is the NOHD for a standard laser?

• 100m

• 1m

• 10m

• 50m