Midterm (Ms. Sandra's Questions) Flashcards
Current that does not have constant voltage or polarity is:
Alternating
The flow of electrons in the same direction even and constant is:
Direct
Short wave is more successful on curly or kinky hair when the hair is in the:
Early anagen stage
Always expect to insert deeper when entering a follicle containing a:
Terminal gray hair
To effectively treat patients with dark skin with an Nd:YAG laser, you need:
Longer wavelengths and longer pulse widths
There is a higher risk of collateral damage to the skin with a:
Shorter wavelength
The first person to describe the use of Galvanic electrolysis for the treatment of unwanted hair is:
Dr. Charles Michel in 1875
Which of the glands throw off waste and regulate body temperature?
Sudoriferous glands
What do Langerhan cells act as?
macrophages
Indifferent electrode rash is contributed to by:
Hydrochloric acid and chlorine gas
The phenomenon that allows electrologists to perform thermolysis and or use a grounding wire or indifferent electrode is:
Capacitive return
Which area of the body is more susceptible to pitted scarring?
Face
An important factor in the use of the Blend modality is:
Correctly proportioned relationship between currents
When preparing for treatment it is safer to select a needle that is what?
Too long
Where does the vellus hair begin its growth?
Lobe of the sebaceous gland
When is steam produced during electrolysis?
High frequency blowout
Automatic timing is what?
More accurate than manual timing
If all variables are kept constant during thermolysis except timing, what happens to the current density around the probe as timing is increased?
Current density remains the same
What is a purpura?
laser bruise
What are the four appendages of the skin?
Hair, nails, sebaceous gland, sudoriferous gland