CH 20 PT 2

Which type of rod is also known as a circle rode?

• loop rod

• soft bender rods

• concave rods

• straight rod

Answer explanation

610

For on-base placement, the hair is wrapped at ___ beyond perpendicular to its base section, and the rod is positioned on its base.

• 180 degrees

• 15 degrees

• 90 degrees

• 45 degrees

Answer explanation

611

Which of these permanent waves process at room temperature?

• acid-balanced waves

• low pH waves

• exothermic waves

• true acid waves

Answer explanation

604

Chemical solutions ___ the pH of the hair to an alkaline state.

• lower

• raise

• neutralize

• do not affect

Answer explanation

599

When should you do an elasticity test?

• before perming the hair

• while perming the hair

• after perming the hair

• never

Answer explanation

602

Porous hair ___.

• is difficult to penetrate

• should never be permed

• could be damaged by a highly alkaline permanent waving solution

• could be damaged by a highly acidic permanent waving solution

GMTG, the primary reducing agent in most acid waves, has ___.

• no pH

• a neutral pH

• a high pH

• a low pH

True acid waves have a pH between ___.

• 2.0 and 3.0

• 4.5 and 7.0

• 5.5 and 8.0

• 6.0 and 9.0

Ammonia-free waves ___.

• have a very strong odor

• are very acidic

• contain some ammonia

• have very little odor

in permanent waving, most of the processing takes place within the first ___.

• 5 to 10 minutes

• 10-20 minutes

• 20-30 minutes

• 45- 60 minutes