MISSOURI BARBER PRACTICE EXAM 2025/2026
QUESTIONS AND ANSWERS RATED A+
✔✔What are the 3 levels of decontamination? - ✔✔Sanitation, disinfection, sterilization
✔✔What are 2 most often used in the barbershop? - ✔✔Sanitation and disinfection
✔✔How do you clean shears? - ✔✔Wipe hair off shears, wash in warm soapy water
and dry, lubricate according to manufacturers recommendation
✔✔What percentage of alcohol may be used to disinfect? - ✔✔70%
✔✔what percentage of isopropyl alcohol may be used as an antiseptic? - ✔✔50-60%
✔✔What 2 cleaning products must you never mix? - ✔✔Bleach and ammonia
✔✔when using a wet sanitizer, what strength of quad solution should you use? -
✔✔1:1,000
✔✔Direct dyes that are not mixed with a developer? - ✔✔Semipermanent hair color
✔✔What happens when permanent hair color is mixed with hydrogen peroxide? - ✔✔It
has the ability to penetrate through the cuticle in the cortex of the hairshaft
✔✔What are the massage manipulations used in men's facials? - ✔✔effleurage,
pétrissage, friction, vibration, and percussion or tapotement
✔✔What massage manipulation is a light, continuous stroking movement applied in a
slow and rhythm manner with no pressure known for soothing and relaxing effects? -
✔✔effleurage
✔✔A kneading movement preformed with light, firm pressure? - ✔✔Petrissage
✔✔the scientific study of hair, its disorders, and its care is called - ✔✔trichology
✔✔Polypeptide chains cross linked to form a ladder like structure? - ✔✔Side bonds of
cross bonds
✔✔What are the 3 types of side bonds? - ✔✔hydrogen, salt, and disulfide bonds
✔✔What measures the diameter of a hair strand? - ✔✔Texture
✔✔the amount of hair per square inch of the scalp? - ✔✔density
, ✔✔The main source of the blood supple to the head, face, and neck? - ✔✔Common
carotid arteries
✔✔What is the standard parting of a subsection for a standard hair color service? -
✔✔1/4"
✔✔do not suggest a scalp treatment if? - ✔✔abrasions and lesions are present
✔✔Who should you advise clients with serious scalp disorders to? - ✔✔to consult a
physician
✔✔What 2 relaxers are not compatible? - ✔✔Hydroxide relaxers are incompatible with
thio relaxers
✔✔What is ammonium thioglycolate (ATG)? - ✔✔The main active ingredient or
reducing agent in alkaline
✔✔What is glyceryl monothioglycolate (GMTG)? - ✔✔the main active ingredient in true
acid + acid-balanced waves
✔✔How many freehand strokes in the shave? - ✔✔6
✔✔What are Ariline derivatives? - ✔✔Uncolored dye precursors that combine w/
hydrogen peroxide form larger, permanent color molecules in the cortex.
✔✔What effect does the petrissage massage produce? - ✔✔Invigorating effect
✔✔Corpuscles are another word for what? - ✔✔Red or white blood cells (erythrocytes
or leukocytes)
✔✔What do you use to mark the forehead for where a hair solution should begin? -
✔✔Grease pencil
✔✔What are the veins of the head, face, and neck? - ✔✔The internal jugular and
external jugular veins
✔✔The mentalis causes _____ - ✔✔Wrinkling in the chin
✔✔Nerves are long white cords made up of - ✔✔bundles of nerve fibers
✔✔Soft water is - ✔✔Best for the barbershop
QUESTIONS AND ANSWERS RATED A+
✔✔What are the 3 levels of decontamination? - ✔✔Sanitation, disinfection, sterilization
✔✔What are 2 most often used in the barbershop? - ✔✔Sanitation and disinfection
✔✔How do you clean shears? - ✔✔Wipe hair off shears, wash in warm soapy water
and dry, lubricate according to manufacturers recommendation
✔✔What percentage of alcohol may be used to disinfect? - ✔✔70%
✔✔what percentage of isopropyl alcohol may be used as an antiseptic? - ✔✔50-60%
✔✔What 2 cleaning products must you never mix? - ✔✔Bleach and ammonia
✔✔when using a wet sanitizer, what strength of quad solution should you use? -
✔✔1:1,000
✔✔Direct dyes that are not mixed with a developer? - ✔✔Semipermanent hair color
✔✔What happens when permanent hair color is mixed with hydrogen peroxide? - ✔✔It
has the ability to penetrate through the cuticle in the cortex of the hairshaft
✔✔What are the massage manipulations used in men's facials? - ✔✔effleurage,
pétrissage, friction, vibration, and percussion or tapotement
✔✔What massage manipulation is a light, continuous stroking movement applied in a
slow and rhythm manner with no pressure known for soothing and relaxing effects? -
✔✔effleurage
✔✔A kneading movement preformed with light, firm pressure? - ✔✔Petrissage
✔✔the scientific study of hair, its disorders, and its care is called - ✔✔trichology
✔✔Polypeptide chains cross linked to form a ladder like structure? - ✔✔Side bonds of
cross bonds
✔✔What are the 3 types of side bonds? - ✔✔hydrogen, salt, and disulfide bonds
✔✔What measures the diameter of a hair strand? - ✔✔Texture
✔✔the amount of hair per square inch of the scalp? - ✔✔density
, ✔✔The main source of the blood supple to the head, face, and neck? - ✔✔Common
carotid arteries
✔✔What is the standard parting of a subsection for a standard hair color service? -
✔✔1/4"
✔✔do not suggest a scalp treatment if? - ✔✔abrasions and lesions are present
✔✔Who should you advise clients with serious scalp disorders to? - ✔✔to consult a
physician
✔✔What 2 relaxers are not compatible? - ✔✔Hydroxide relaxers are incompatible with
thio relaxers
✔✔What is ammonium thioglycolate (ATG)? - ✔✔The main active ingredient or
reducing agent in alkaline
✔✔What is glyceryl monothioglycolate (GMTG)? - ✔✔the main active ingredient in true
acid + acid-balanced waves
✔✔How many freehand strokes in the shave? - ✔✔6
✔✔What are Ariline derivatives? - ✔✔Uncolored dye precursors that combine w/
hydrogen peroxide form larger, permanent color molecules in the cortex.
✔✔What effect does the petrissage massage produce? - ✔✔Invigorating effect
✔✔Corpuscles are another word for what? - ✔✔Red or white blood cells (erythrocytes
or leukocytes)
✔✔What do you use to mark the forehead for where a hair solution should begin? -
✔✔Grease pencil
✔✔What are the veins of the head, face, and neck? - ✔✔The internal jugular and
external jugular veins
✔✔The mentalis causes _____ - ✔✔Wrinkling in the chin
✔✔Nerves are long white cords made up of - ✔✔bundles of nerve fibers
✔✔Soft water is - ✔✔Best for the barbershop
