Barber Practice Test: State Board Shaving Exam Prep/
Questions with Complete Solutions/ Rated A+
For the optimal level of disinfection, the best choice would be:
a. 50 to 60% isopropyl alcohol
b. detergent
c. a hospital-level disinfectant
d. an antiseptic - Correct Answer - c. a hospital-level disinfectant
The group of disinfectants that are toxic and caustic and cause rubber and
plastic materials to soften is:
a. quats
b. antiseptics
c. 60% isopropyl alcohol
d. phenols - Correct Answer - d. phenols
Hard water can be softened by distillation or by the use of:
a. sodium carbonate
b. sodium chloride
c. magnesium salts
d. calcium salts - Correct Answer - a. sodium carbonate
, 2
Only aqueous (water) solutions have:
a. hydrogen
b. pH
c. oxygen
d. surfactants - Correct Answer - b. pH
Compared to skin and hair, water is:
a. the same pH
b. 10 times more acidic
c. 100 times more acidic
d. 100 times more alkaline - Correct Answer - d. 100 times more alkaline
Solutions with a pH below 7.0:
a. contract and harden the hair
b. taste bitter
c. feels slippery
d. turn litmus paper from red to blue - Correct Answer - a. contract and
harden the hair
Solutions with a pH above 7.0:
a. tightens the skin
b. softens and swell the hair
c. turn litmus paper from blue to red
d. taste sour - Correct Answer - b. soften and swell the hair
, 3
Oxidation and reduction are referred as:
a. demineralization
b. redox reactions
c. distillation
d. ionization - Correct Answer - b. redox reactions
When salt is dissolved in water, the salt is the:
a. solvent
b. solute
c. solution
d. strength - Correct Answer - b. solute
Before you disinfect a brush, comb, shears, or other tool, you should:
a. rinse it with water
b. wash it with soap and hot water
c. wipe it with a clean cloth towel
d. wipe it with a fresh paper towel - Correct Answer - b. wash it with soap
and hot water
Towels and other linens should be sanitized after use by:
a. washing in hot water and weak quat solution
b. washing in hot water and detergent and bleach
c. complete immersion in an EPA-registered disinfectant
d. complete immersion in Lysol solution - Correct Answer - b. washing in
hot water with detergent and bleach