(clinical) Practice Exam With Questions
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thio-free waves - CORRECT ANSWER Perm that uses an ingredient other than ATG as the
primary reducing agent, such as cysteamine or mercaptamine.
Hydrogen bonds - CORRECT ANSWER Very weak side bonds; that are the result of attraction
between opposite electrical charges. Easily broken by water or heat. Reform as the hair dries or
cools. Accounts for 1/3 of hairs total strength
Salt bonds - CORRECT ANSWER Weak physical side bonds (cross bonds) easily broken by
change in pH; reform when pH balance is restored. Accounts for 1/3 of hairs total strength.
Substitutes for ammonia in permanent waving solutions: - CORRECT ANSWER
Aminomethylpropanol (AMP)
Monoethanolamine (MEA)
, ammonia-free waves - CORRECT ANSWER Perms that use an ingredient that does not
evaporate as readily as ammonia, so there is very little odor associated with their use. (AMP or
MEA)
Glycerol monothioglycolate - CORRECT ANSWER Main active ingredient in acid balanced
waving lotions. Primary reducing agent in most acid waves. Low pH
Sodium hydroxide relaxers are also known as? - CORRECT ANSWER Lye relaxers
acid-balanced waves - CORRECT ANSWER Permanent waves that have a 7.0 or neutral pH;
because of their higher pH, they process at room temperature, do not require the added heat of
a hair dryer, process more quickly, and produce firmer curls than true acid waves.
Side bonds - CORRECT ANSWER Disulfide, salt, and hydrogen bonds that cross-link polypeptide
chains together.
keratin proteins - CORRECT ANSWER Long, coiled polypeptide chains.
Silicones - CORRECT ANSWER Special type of oil used in hair conditioners, water-resistant
lubricants for the skin, and nail polish dryers.
When a hydroxide relaxer breaks the disulfide bond converting them to lanthonine bonds.... -
CORRECT ANSWER The bonds cannot be reformed with any other chemical treatment
True acid waves - CORRECT ANSWER -Have a pH between 4.5-7.0 and require heat to process.
-He process slower than alkaline waves
-GMTG is the active ingredient