ELECTROLYSIS IBEC+LASER STATE BOARD EXAM
QUESTIONS WITH COMPLETE SOLUTIONS
### 1. What does LASER stand for?
- A) Light Amplification by Signal Emission of Radiation
- B) Light Amplification by Stimulated Emission of Radiation
- C) Light Absorption by Stimulated Emission of Radiation
- D) Light Absorption by Signal Emission of Radiation
**Answer: B) Light Amplification by Stimulated Emission of Radiation**
### 2. What is the distance measured in nanometers between two peaks or two troughs called?
- A) Frequency
- B) Wavelength
- C) Pulse Width
- D) Amplitude
**Answer: B) Wavelength**
### 3. Light of only one color and one specific wavelength is known as?
- A) Polychromatic
- B) Monochromatic
- C) Multi-chromatic
- D) Bi-chromatic
**Answer: B) Monochromatic**
### 4. Refraction is also known as what?
- A) Reflection
- B) Transmission
- C) Absorption
- D) Scattering
**Answer: B) Transmission**
### 5. What is the process where a newly created photon acquires energy equal to the photons that
created it called?
- A) Absorption
- B) Reflection
- C) Stimulated Emission
- D) Spontaneous Emission
**Answer: C) Stimulated Emission**
### 6. What is the state of equilibrium or middle state of light called?
- A) Ground State
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- B) Metastable State
- C) Excited State
- D) Singlet State
**Answer: B) Metastable State**
### 7. Who theorized stimulated emission?
- A) Thomas Edison
- B) Nikola Tesla
- C) Albert Einstein
- D) Isaac Newton
**Answer: C) Albert Einstein**
### 8. What is the part of the laser that contains the active medium called?
- A) Mirror Chamber
- B) Amplifier Tube
- C) Resinator Cavity
- D) Light Box
**Answer: C) Resinator Cavity**
### 9. What are the states of light in stimulated emission?
- A) Ground State, Excited State, Singlet State, Metastable State
- B) Excited State, Submerged State, Reflected State, Metastable State
- C) Absorption State, Emission State, Ground State, Pulse State
- D) Reflection State, Diffusion State, Excited State, Ground State
**Answer: A) Ground State, Excited State, Singlet State, Metastable State**
### 10. Alexandrite laser is in the visible light spectrum at what wavelength?
- A) 755 nm
- B) 1064 nm
- C) 532 nm
- D) 850 nm
**Answer: A) 755 nm**
### 11. The Nd:YAG laser falls in the invisible light spectrum with what wavelength?
- A) 755 nm
- B) 532 nm
- C) 1064 nm
- D) 850 nm
**Answer: C) 1064 nm**
### 12. What type of wave is used in laser hair removal?
- A) Continuous wave
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- B) Pulsed wave
- C) Steady wave
- D) Variable wave
**Answer: B) Pulsed wave**
### 13. A chromophore is also known as what?
- A) Pigment
- B) Target
- C) Energy source
- D) Reflection point
**Answer: B) Target**
### 14. What does the chromophore absorb?
- A) Energy
- B) Light
- C) Heat
- D) Water
**Answer: A) Energy**
### 15. Goggles worn by the patient and practitioner must be approved by which organization?
- A) FDA
- B) ANSI (American National Standard Institute)
- C) OSHA
- D) EPA
**Answer: B) ANSI (American National Standard Institute)**
### 16. Each laser wavelength is what to its machine?
- A) Similar
- B) Specific
- C) General
- D) Shared
**Answer: B) Specific**
### 17. What are the parameters for laser hair removal?
- A) Wavelength, Spot Size, Fluence, Pulse Width
- B) Frequency, Speed, Length, Depth
- C) Reflection, Refraction, Absorption, Emission
- D) None of the above
**Answer: A) Wavelength, Spot Size, Fluence, Pulse Width**
### 18. Pulsed lasers allow for selective heating of specific targets, this is known as what?
- A) General Photothermolysis
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- B) Selective Photothermolysis
- C) Pulsed Light Absorption
- D) Targeted Absorption
**Answer: B) Selective Photothermolysis**
### 19. What is the rate or amount of energy delivered within a given area called?
- A) Wavelength
- B) Spot size
- C) Fluence
- D) Pulse width
**Answer: C) Fluence**
### 20. An increase in fluence results in an increase in what?
- A) Wavelength
- B) Heat, causing more damage
- C) Spot Size
- D) Cooling
**Answer: B) Heat, causing more damage**
### 21. What is the length of time the light/energy is in contact with the target measured in milliseconds
called?
- A) Spot size
- B) Fluence
- C) Pulse width
- D) Energy duration
**Answer: C) Pulse width**
### 22. If the pulse duration changes from milliseconds to nanoseconds, what is the laser called?
- A) Q Switched
- B) Continuous Wave
- C) Pulsed Wave
- D) Wavelength Shifted
**Answer: A) Q Switched**
### 23. A Q Switched laser is used for what purpose?
- A) Hair removal
- B) Tattoo removal
- C) Skin tightening
- D) Wrinkle reduction
**Answer: B) Tattoo removal**
### 24. Which skin types can tolerate an Alexandrite laser?
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