5 Written Questions

1. Normal porosity
2. Use an ingredient that does not evaporate as readily as ammonia; low odor with use
3. Crosslinked polypeptide chains
4. Acid-balanced waves
5. Polypeptide chains to shift into their new configuration

5 Matching Questions

1. Exothermic waves
2. Elasticity of the hair determines its ability to
3. When rinsing the hair
4. Concave rods produce what type of curl?
5. pH of most alkaline waves

1. a Use a gentle stream of warm water
2. b Create an exothermic chemical reaction that heats up the solution and speeds up the processing
3. c Hold curl
4. d Tighter curl in the center and a looser curl on either side of the strand.
5. e 9.0 - 9.6

5 Multiple Choice Questions

1. Become fully saturated with just one application of waving solution
   1. Metallic Salt Test
   2. pH scale measures...
   3. Resistant hair may not...
   4. Medium hair
2. Solution, activator, and neutralizer
   1. Components of exothermic waves
   2. pH of most alkaline waves
   3. Endothermic waves
   4. Step one of a perm
3. Weak physical side bonds that are the result of an attraction between negative and positive electrical charges
   1. Side bonds
   2. Peptide bonds
   3. Disulfide bonds
   4. Salt bonds
4. Acids do not swell the hair or penetrate the cortex
   1. Ammonia + Thioglycolic acid =
   2. Three separate components of all acid waves
   3. Thioglycolic acid
   4. Ammonia is added to the thiglycolic acid because
5. compounds made up of carbon, oxygen, hydrogen, and nitrogen
   1. Density
   2. Medium hair
   3. Amino acids
   4. Fine hair

5 True/False Questions

1. Under processed hair → Hair is straight at the scalp and curly at the ends

   True        False

2. Chemical texture services... → .... permanently alter the natural wave pattern of the hair

   True        False

3. Produces a uniform curl from scalp to ends → Thicker and fuller

   True        False

4. Reduction reaction → Either the addition of hydrogen or the removal of oxygen

   True        False

5. Single flat wrap → 1 end paper placed over top of hair being wrapped

   True        False