CLT Laser Technology & Equipment 1

Question 1

What type of light do lasers emit?

Accepted Answer

Coherent, monochromatic light

Answer

Broad-spectrum light.

Answer

Infrared scatter light.

Answer

Ultraviolet light.

Question 2

Which part of the laser device controls the light output?

Accepted Answer

Power supply unit

Answer

Cooling fan.

Answer

Optical lens.

Answer

Display monitor.

Question 3

What does wavelength determine in laser therapy?

Accepted Answer

Penetration depth and tissue interaction

Answer

Laser color.

Answer

Size of the machine.

Answer

Battery life.

Question 4

Why must safety goggles be worn during laser treatment?

Accepted Answer

To prevent eye damage from laser exposure

Answer

To look professional.

Answer

To protect from skin burns.

Answer

To block UV light.

Question 5

Which laser type is commonly used for hair removal?

Accepted Answer

Diode laser

Answer

CO2 laser.

Answer

Argon laser.

Answer

Excimer laser.

Question 6

What is the function of a laser handpiece?

Accepted Answer

To deliver the laser to the skin accurately

Answer

To cool the equipment.

Answer

To change laser color.

Answer

To increase sound waves.

Question 7

How should a laser be calibrated?

Accepted Answer

Regularly, per manufacturer’s recommendation

Answer

Once a year only.

Answer

Whenever it fails.

Answer

Only before disposal.

Question 8

What is fluence in laser treatment?

Accepted Answer

Energy per unit area (J/cm²)

Answer

Number of flashes per second.

Answer

Laser beam width.

Answer

Distance from the device.

Question 9

Why is proper laser maintenance important?

Accepted Answer

To avoid breakdowns and ensure performance

Answer

To increase beam strength randomly.

Answer

To reduce treatment duration.

Answer

To change its wavelength.