ELECTROLYSIS AND LASER STATE
BOARD COMPREHENSIVE EXAM
QUESTIONS AND CORRECT ANSWERS.
1. During Galvanic electrolysis, what is the chemical reaction produced at the negative
electrode (cathode)?
A. Hydrochloric acid and oxygen
B. Carbon dioxide and water
C. Sodium chloride and ozone
D. Sodium hydroxide (lye) and hydrogen gas
Answer: D
Conceptual Explanation: Galvanic electrolysis uses direct current to cause a chemical
decomposition of salt and water in the tissue, creating sodium hydroxide (lye) and
hydrogen gas at the negative pole.
2. What is the specific target (chromophore) when performing laser hair removal?
A. Melanin
B. Hemoglobin
C. Water
D. Protein
,Answer: A
Conceptual Explanation: In laser hair removal, melanin is the primary chromophore that
absorbs light energy to generate heat and destroy the hair follicle.
3. The ‘Point Effect’ in thermolysis describes the concentration of high-frequency energy at:
A. The surface of the skin
B. The tip of the probe
C. The middle of the probe
D. The insulation layer
Answer: B
Conceptual Explanation: The point effect refers to the phenomenon where the highest
intensity of high-frequency current is concentrated at the smallest surface area of the
needle, which is the tip.
4. Which wavelength is associated with the Alexandrite laser?
A. 694 nm
B. 810 nm
C. 755 nm
D. 1064 nm
Answer: C
, Conceptual Explanation: The Alexandrite laser operates at a wavelength of 755
nanometers, which is highly absorbed by melanin.
5. In the ‘Blend’ method, what effect does the high frequency have on the lye produced by
galvanic current?
A. It neutralizes the lye
B. It cools the lye to prevent burns
C. It speeds up the chemical action by heating the lye
D. It solidifies the lye for easier removal
Answer: C
Conceptual Explanation: In Blend electrolysis, High Frequency (thermolysis) heats the
sodium hydroxide produced by the Galvanic current, making it more caustic and effective,
allowing for faster treatment.
6. The inner root sheath of the hair follicle consists of three layers. Which is the outermost
layer?
A. Huxley’s layer
B. Cuticle layer
C. Henle’s layer
D. Medulla
Answer: C
BOARD COMPREHENSIVE EXAM
QUESTIONS AND CORRECT ANSWERS.
1. During Galvanic electrolysis, what is the chemical reaction produced at the negative
electrode (cathode)?
A. Hydrochloric acid and oxygen
B. Carbon dioxide and water
C. Sodium chloride and ozone
D. Sodium hydroxide (lye) and hydrogen gas
Answer: D
Conceptual Explanation: Galvanic electrolysis uses direct current to cause a chemical
decomposition of salt and water in the tissue, creating sodium hydroxide (lye) and
hydrogen gas at the negative pole.
2. What is the specific target (chromophore) when performing laser hair removal?
A. Melanin
B. Hemoglobin
C. Water
D. Protein
,Answer: A
Conceptual Explanation: In laser hair removal, melanin is the primary chromophore that
absorbs light energy to generate heat and destroy the hair follicle.
3. The ‘Point Effect’ in thermolysis describes the concentration of high-frequency energy at:
A. The surface of the skin
B. The tip of the probe
C. The middle of the probe
D. The insulation layer
Answer: B
Conceptual Explanation: The point effect refers to the phenomenon where the highest
intensity of high-frequency current is concentrated at the smallest surface area of the
needle, which is the tip.
4. Which wavelength is associated with the Alexandrite laser?
A. 694 nm
B. 810 nm
C. 755 nm
D. 1064 nm
Answer: C
, Conceptual Explanation: The Alexandrite laser operates at a wavelength of 755
nanometers, which is highly absorbed by melanin.
5. In the ‘Blend’ method, what effect does the high frequency have on the lye produced by
galvanic current?
A. It neutralizes the lye
B. It cools the lye to prevent burns
C. It speeds up the chemical action by heating the lye
D. It solidifies the lye for easier removal
Answer: C
Conceptual Explanation: In Blend electrolysis, High Frequency (thermolysis) heats the
sodium hydroxide produced by the Galvanic current, making it more caustic and effective,
allowing for faster treatment.
6. The inner root sheath of the hair follicle consists of three layers. Which is the outermost
layer?
A. Huxley’s layer
B. Cuticle layer
C. Henle’s layer
D. Medulla
Answer: C
