Tiếng Việt
📝 State Board Practice Exam # 1 – (75 Questions. Answer Key Below)
1. Which agency enforces workplace safety regulations in salons?
A. CDC
B. FDA
C. OSHA
D. EPA
2. Which part of the nail produces the cells that form the nail plate?
A. Matrix
B. Lunula
C. Nail bed
D. Free edge
3. When performing a pedicure, which step should always be done first?
A. Exfoliation
B. Polish application
C. Disinfect the feet
D. Massage
4. The layer of skin that contains blood vessels and nerves is:
A. Epidermis
B. Dermis
C. Stratum corneum
D. Stratum lucidum
5. Onychophagy is the habit of:
A. Biting the nails
B. Peeling the nails
C. Thickened nails
D. Spoon-shaped nails
6. What should be done if tools come in contact with blood?
A. Wipe with cotton
B. Wash with soap only
C. Discard immediately
D. Clean and disinfect properly
7. Which nail shape is most common in men’s manicures?
A. Pointed
B. Oval
C. Round
D. Square
8. Which of the following is a contagious skin disease?
A. Psoriasis
B. Eczema
C. Ringworm
D. Callus
9. Which part of the nail is visible and rests on the nail bed?
A. Free edge
B. Nail plate
C. Lunula
D. Mantle
10. What type of current is used in most salon equipment?
A. Static
B. Direct (DC)
C. Alternating (AC)
D. Parallel
11. A silk or fiberglass wrap requires which adhesive?
A. Primer
B. Resin
C. Dehydrator
D. Acetone
12. Thin, spoon-shaped nails are called:
A. Onychorrhexis
B. Koilonychia
C. Onychia
D. Leukonychia
13. Which tool is used to shorten natural nails?
A. Nail brush
B. Cuticle nipper
C. Nail clipper
D. Buffer
14. The visible half-moon at the base of the nail is called:
A. Eponychium
B. Lunula
C. Hyponychium
D. Cuticle
15. Which disinfectant is most common in salons?
A. Phenols
B. Quats (quaternary ammonium compounds)
C. Chlorine
D. Iodine
16. Acrylic nails are created using:
A. Gel and resin
B. Powder and liquid monomer
C. Fiberglass wrap
D. Nail tips
17. What is the main component of the nail plate?
A. Elastin
B. Collagen
C. Keratin
D. Calcium
18. Onychomycosis refers to:
A. Ridges in the nails
B. Nail fungus
C. Nail separation
D. Nail bruises
19. Which file grit is considered medium for natural nails?
A. 80
B. 100
C. 180
D. 240
20. Which product removes oil and moisture before applying extensions?
A. Primer
B. Dehydrator
C. Polish remover
D. Resin
21. Which structure protects the nail matrix from injury?
A. Nail plate
B. Nail fold
C. Mantle
D. Lunula
22. What is the function of a top coat?
A. Improve adhesion
B. Seal and protect polish
C. Soften the cuticle
D. Strengthen the nail bed
23. Paronychia is an infection of the:
A. Nail fold
B. Nail plate
C. Matrix
D. Free edge
24. Which nail condition is commonly seen in pregnant women?
A. Onychorrhexis
B. Melanonychia
C. Pterygium
D. Blue nails
25. Which unit measures electrical resistance?
A. Volt
B. Ampere
C. Ohm
D. Watt
26. When should hands be washed during a manicure service?
A. Only before service
B. Only after service
C. Before and after service
D. Not necessary
27. Which type of gel is applied over artificial nails to add shine?
A. Sculpting gel
B. UV gel polish
C. Sealer gel
D. Base gel
28. Onychauxis refers to:
A. Thickened nails
B. Split nails
C. White spots
D. Inflamed nails
29. Which nail disorder is characterized by blue or purple nail beds?
A. Leukonychia
B. Cyanosis
C. Koilonychia
D. Onychia
30. Which disinfectant is safest for pedicure tubs?
A. Phenols
B. Quats
C. Household bleach
D. Alcohol
31. Which product strengthens the adhesion of polish to the nail plate?
A. Base coat
B. Top coat
C. Nail whitener
D. Primer
32. Which nail disease requires medical referral and cannot be treated in the salon?
A. Psoriasis
B. Leukonychia
C. Hangnails
D. Onychomycosis
33. What is the recommended motion when filing natural nails?
A. Sawing back and forth
B. In one direction
C. Circular motion
D. Across the nail bed
34. What is the pH range of most professional nail primers?
A. 1–2 (very acidic)
B. 5–7 (neutral)
C. 7–9 (alkaline)
D. 10–12 (strongly alkaline)
35. Which tool is used to trim excess cuticle?
A. Buffer
B. Cuticle nipper
C. Nail clipper
D. Emery board
36. Which nail art technique blends two or more colors gradually?
A. Marbling
B. Ombre (gradient)
C. Striping
D. Dotting
37. The unit that measures electrical power is:
A. Ohm
B. Volt
C. Watt
D. Ampere
38. A hangnail is a condition affecting the:
A. Nail bed
B. Eponychium
C. Lunula
D. Matrix
39. Nail flexibility depends on its content of:
A. Minerals
B. Water
C. Calcium
D. Fatty acids
40. When using an electric file, which speed is safest for natural nails?
A. High speed
B. Medium speed
C. Low speed
D. Turbo mode
41. What is the primary function of melanin in the skin?
A. Provide elasticity
B. Provide moisture
C. Protect against UV rays
D. Produce keratin
42. The free edge of the nail extends beyond the:
A. Nail fold
B. Nail plate
C. Nail bed
D. Lunula
43. The correct term for split or brittle nails is:
A. Onychorrhexis
B. Onychauxis
C. Pterygium
D. Leukonychia
44. Which part of the nail protects against infection by sealing the space under the free edge?
A. Eponychium
B. Matrix
C. Hyponychium
D. Lunula
45. Which chemical starts the polymerization process in acrylic nails?
A. Activator
B. Catalyst
C. Resin
D. Adhesive
46. What is the main advantage of gel polish?
A. Quick removal
B. Long-lasting shine
C. Lower cost
D. No curing needed
47. Which nail shape is recommended for clients with weak nails?
A. Oval
B. Square
C. Pointed
D. Stiletto
48. Which layer of skin contains melanocytes?
A. Stratum corneum
B. Basal layer
C. Dermis
D. Subcutaneous tissue
49. What is the purpose of a nail dehydrator?
A. Whiten nails
B. Remove oil and moisture before extensions
C. Harden the nail bed
D. Cure resin
50. Which disinfectant can corrode metal tools if used improperly?
A. Chlorine
B. Alcohol
C. Quats
D. Soap and water
51. Onychogryphosis is also known as:
A. Ram’s horn nails
B. Spoon nails
C. White spots
D. Ingrown nails
52. Which electrical unit measures current strength?
A. Volt
B. Ampere
C. Watt
D. Ohm
53. The sticky residue left on gel nails after curing is called:
A. Top coat
B. Inhibition layer
C. Base coat
D. Resin layer
54. What should you do if a client shows signs of infection?
A. Continue service
B. Apply antiseptic and proceed
C. Refuse service and refer to a doctor
D. Cover with polish
55. Which nail art tool is used to create small polish dots?
A. Striping brush
B. Dotting tool
C. Fan brush
D. Sponge
56. What is the purpose of a ridge filler?
A. Remove polish
B. Smooth uneven nail surfaces
C. Dehydrate the nail
D. Cure extensions
57. Onychia is inflammation of the:
A. Nail plate
B. Matrix
C. Nail fold
D. Lunula
58. The coarsest file grit is:
A. 80
B. 180
C. 240
D. 320
59. What is the main benefit of an electric file for acrylic nails?
A. Faster shaping and refinement
B. Cheaper service
C. Easier removal
D. No training required
60. Blue nails are generally a sign of:
A. Poor circulation
B. Fungal infection
C. Nail biting
D. Trauma
61. The strength of a disinfectant is measured by its:
A. Label design
B. Efficacy
C. Ratio
D. Density
62. What is the main function of a nail primer?
A. Disinfect the nail plate
B. Adhere extension product to the natural nail
C. Whiten nail tips
D. Harden the nail surface
63. The study of the skin and its diseases is called:
A. Histology
B. Mycology
C. Dermatology
D. Pathology
64. Which nail enhancement requires UV or LED light to cure?
A. Acrylic nails
B. Nail wraps
C. Gel nails
D. Silk nails
65. The purpose of the nail tip well is to:
A. Strengthen the free edge
B. Mix polish
C. Adhere to the natural nail
D. Absorb oil
66. What is the recommended maintenance schedule for acrylic nails?
A. Every 2 weeks
B. Every 3 days
C. Monthly
D. Every 6 weeks
67. The nail bed contains many:
A. Sebaceous glands
B. Sweat glands
C. Blood vessels and nerves
D. Muscles
68. The nail disorder caused by biting or chewing nails is:
A. Onychophagy
B. Onychorrhexis
C. Onychia
D. Koilonychia
69. Which nail art effect sprinkles acrylic powder over wet polish?
A. Marbling
B. Sugar effect
C. Ombre
D. Encapsulation
70. Which layer of skin contains no blood vessels?
A. Dermis
B. Epidermis
C. Subcutaneous layer
D. Papillary layer
71. Which practice prevents overexposure to salon chemicals?
A. Wearing gloves only
B. Using proper ventilation
C. Shorter services
D. Hand washing
72. Another name for spotted nails is:
A. Koilonychia
B. Leukonychia
C. Onychauxis
D. Pterygium
73. Which abrasive is safest for natural nails?
A. 80 grit
B. 100 grit
C. 180 grit
D. 240 grit
74. Implements must be ____ in the disinfectant solution.
A. Lightly sprayed
B. Wiped with cotton
C. Completely immersed
D. Air-dried only
75. The process in which a solid changes directly into vapor is called:
A. Evaporation
B. Sublimation
C. Condensation
D. Polymerization
🧾 Practice Exam #1 — Answer Key
1. C. OSHA
2. A. Matrix
3. C. Disinfect the feet
4 B. Dermis
5. A. Biting the nails
6. D. Clean and disinfect properly
7. C. Round
8. C. Ringworm
9. B. Nail plate
10. C. Alternating (AC)
11. B. Resin
12. B. Koilonychia
13. C. Nail clipper
14. B. Lunula
15. B. Quats (quaternary ammonium compounds)
16. B. Powder and liquid monomer
17. C. Keratin
18. B. Nail fungus
19. C. 180
20. B. Dehydrator
21. C. Mantle
22. B. Seal and protect polish
23. A. Nail fold
24. B. Melanonychia
25. C. Ohm
26. C. Before and after service
27. C. Sealer gel
28. A. Thickened nails
29. B. Cyanosis
30. C. Household bleach
31. A. Base coat
32. D. Onychomycosis
33. B. In one direction
34. A. 1–2 (very acidic)
35. B. Cuticle nipper
36. B. Ombre (gradient)
37. C. Watt
38. B. Eponychium
39. B. Water
40. C. Low speed
41. C. Protect against UV rays
42. C. Nail bed
43. A. Onychorrhexis
44. C. Hyponychium
45. B. Catalyst
46. B. Long-lasting shine
47. A. Oval
48. B. Basal layer
49. B. Remove oil and moisture before extensions
50. A. Chlorine
51. A. Ram’s horn nails
52. B. Ampere
53. B. Inhibition layer
54. C. Refuse service and refer to a doctor
55. B. Dotting tool
56. B. Smooth uneven nail surfaces
57. B. Matrix
58. A. 80
59. A. Faster shaping and refinement
60. A. Poor circulation
61. B. Efficacy
62. B. Adhere extension product to the natural nail
63. C. Dermatology
64. C. Gel nails
65. C. Adhere to the natural nail
66. A. Every 2 weeks
67. C. Blood vessels and nerves
68. A. Onychophagy
69. B. Sugar effect
70. B. Epidermis
71. B. Using proper ventilation
72. B. Leukonychia
73. D. 240 grit
74. C. Completely immersed
75. B. Sublimation