1.
Cosmetology: Scientific Concepts
Which layer of the hair shaft determines the strength and elasticity of the hair?
1 out of 100
2.
Cosmetology: Scientific Concepts
What is the primary function of the stratum corneum in the skin?
2 out of 100
3.
Cosmetology: Scientific Concepts
Which of the following is a primary component of the nail plate?
3 out of 100
4.
Cosmetology: Scientific Concepts
In hair coloring, what is the role of an alkalizing agent?
4 out of 100
5.
Cosmetology: Scientific Concepts
What type of bond is broken by wet setting, thermal styling, and chemical hair relaxing?
5 out of 100
6.
Cosmetology: Scientific Concepts
What protein structure is primarily responsible for the unique curl pattern or straightness of an individual's hair?
6 out of 100
7.
Cosmetology: Scientific Concepts
What type of muscle is responsible for controlling the hair's erection in response to cold temperatures or fear?
7 out of 100
8.
Cosmetology: Scientific Concepts
What is the primary purpose of the free edge in nail anatomy?
8 out of 100
9.
Cosmetology: Scientific Concepts
What effect does a low pH shampoo have on the hair?
9 out of 100
10.
Cosmetology: Scientific Concepts
What is the primary function of the acid mantle on the skin?
10 out of 100
11.
Cosmetology: Scientific Concepts
What is the main reason for using a toner after lightening the hair?
11 out of 100
12.
Cosmetology: Scientific Concepts
Which phase of hair growth is associated with the active growth of hair cells at the root?
12 out of 100
13.
Cosmetology: Scientific Concepts
What is the primary cause of onycholysis?
13 out of 100
14.
Cosmetology: Scientific Concepts
In the context of skin aging, what is the primary cause of photoaging?
14 out of 100
15.
Cosmetology: Scientific Concepts
What is the main purpose of emulsifiers in cosmetic products?
15 out of 100
16.
Cosmetology: Scientific Concepts
In cosmetology, what is the significance of understanding the Fitzpatrick Skin Typing?
16 out of 100
17.
Cosmetology: Scientific Concepts
What role does the enzyme tyrosinase play in the skin?
17 out of 100
18.
Cosmetology: Scientific Concepts
What is the effect of glycolic acid on the skin when used in chemical peeling procedures?
18 out of 100
19.
Cosmetology: Scientific Concepts
In the context of hair analysis, what does porosity refer to?
19 out of 100
20.
Cosmetology: Scientific Concepts
In cosmetology, what is the term for the study of the structure and composition of the skin?
20 out of 100
21.
Cosmetology: Scientific Concepts
Which nail condition is characterized by white spots appearing on the nail due to minor trauma?
21 out of 100
22.
Cosmetology: Scientific Concepts
In cosmetology, the term "anagen effluvium" refers to:
22 out of 100
23.
Cosmetology: Scientific Concepts
Which layer of the hair structure is primarily affected during a perm service?
23 out of 100
24.
Cosmetology: Scientific Concepts
Which ingredient in skincare products is primarily used to increase moisture content by attracting water to the skin?
24 out of 100
25.
Cosmetology: Scientific Concepts
What effect does the use of high pH products have on the hair and scalp?
25 out of 100
26.
Cosmetology: Scientific Concepts
What role do ceramides play in skin care?
26 out of 100
27.
Cosmetology: Scientific Concepts
What is the primary structural difference between vellus hair and terminal hair?
27 out of 100
28.
Cosmetology: Scientific Concepts
Which vitamin plays a crucial role in the synthesis of collagen, a vital component of the skin's structure?
28 out of 100
29.
Cosmetology: Scientific Concepts
What is the function of an oxidizing agent in hair coloring processes?
29 out of 100
30.
Cosmetology: Scientific Concepts
In trichology, what is the term for the condition characterized by excessive hair growth in areas not typically prone to hair growth in women?
30 out of 100
31.
Cosmetology: Scientific Concepts
In cosmetology, the term "effleurage" refers to:
31 out of 100
32.
Cosmetology: Scientific Concepts
What is the primary role of the enzyme catalase in the hair follicle?
32 out of 100
33.
Cosmetology: Scientific Concepts
How does UV radiation from the sun contribute to skin aging?
33 out of 100
34.
Cosmetology: Scientific Concepts
In the context of skin's absorption rates, which area of the body is known to have the highest absorption efficiency for topical products?
34 out of 100
35.
Cosmetology: Hair Care and Services
What is the primary purpose of a neutralizing shampoo after a chemical relaxer service?
35 out of 100
36.
Cosmetology: Hair Care and Services
When performing a patch test for a hair color service, where is the recommended site for application?
36 out of 100
37.
Cosmetology: Hair Care and Services
What is the primary effect of ammonium thioglycolate when used in a permanent wave solution?
37 out of 100
38.
Cosmetology: Hair Care and Services
In balayage, what technique is commonly used to apply the lightener?
38 out of 100
39.
Cosmetology: Hair Care and Services
Which type of brush is most suitable for detangling wet hair without causing damage?
39 out of 100
40.
Cosmetology: Hair Care and Services
Which factor does NOT influence the processing time of a chemical relaxer?
40 out of 100
41.
Cosmetology: Hair Care and Services
What is the primary purpose of a scalp treatment before a chemical service?
41 out of 100
42.
Cosmetology: Hair Care and Services
What is the term for the measure of the hair's ability to absorb moisture?
42 out of 100
43.
Cosmetology: Hair Care and Services
What technique is used to check the accuracy of a haircut by using the opposite parting pattern from the initial cutting line?
43 out of 100
44.
Cosmetology: Hair Care and Services
When performing a double-process lightening service, what is applied between the lightening and toning stages to help restore the hair's pH?
44 out of 100
45.
Cosmetology: Hair Care and Services
In hair coloring, what is the purpose of using a "bond builder"?
45 out of 100
46.
Cosmetology: Hair Care and Services
What factor determines the size and shape of the wave pattern in a permanent waving service?
46 out of 100
47.
Cosmetology: Hair Care and Services
When analyzing the hair before a chemical service, what does the term "elasticity" refer to?
47 out of 100
48.
Cosmetology: Hair Care and Services
What is the primary benefit of using a low pH shampoo after chemical services?
48 out of 100
49.
Cosmetology: Hair Care and Services
In haircutting, what is the purpose of using the point cutting technique?
49 out of 100
50.
Cosmetology: Hair Care and Services
Which type of conditioner is left on the hair for a short period of time and then rinsed out, providing moisture and detangling benefits?
50 out of 100
51.
Cosmetology: Hair Care and Services
What is the primary reason for performing a strand test during a chemical relaxer service?
51 out of 100
52.
Cosmetology: Hair Care and Services
When using a thermal iron, what determines the final curl formation?
52 out of 100
53.
Cosmetology: Hair Care and Services
What is the purpose of a scalp analysis before starting a hair service?
53 out of 100
54.
Cosmetology: Hair Care and Services
Why is it important to apply a protective cream around the hairline and ears before a chemical service?
54 out of 100
55.
Cosmetology: Hair Care and Services
In hair coloring, what does the term "level" refer to?
55 out of 100
56.
Cosmetology: Hair Care and Services
What is the main purpose of using a clarifying shampoo before a chemical service?
56 out of 100
57.
Cosmetology: Hair Care and Services
How does the "slice" technique differ from traditional highlighting methods?
57 out of 100
58.
Cosmetology: Hair Care and Services
What is the effect of a high-frequency machine used during scalp treatments?
58 out of 100
59.
Cosmetology: Hair Care and Services
In trichology, what does the term "anagen phase" refer to?
59 out of 100
60.
Cosmetology: Hair Care and Services
What is the primary concern when performing a hair service on clients with tightly coiled hair?
60 out of 100
61.
Cosmetology: Hair Care and Services
Why is it important to use a thermal protecting product before heat styling?
61 out of 100
62.
Cosmetology: Hair Care and Services
What factor is most crucial in selecting the appropriate shampoo for a client?
62 out of 100
63.
Cosmetology: Hair Care and Services
What is the benefit of using a diffuser attachment on a blow dryer?
63 out of 100
64.
Cosmetology: Hair Care and Services
In hair coloring, what is the main purpose of using a toner after bleaching?
64 out of 100
65.
Cosmetology: Hair Care and Services
What is the primary effect of a hair mask compared to regular conditioners?
65 out of 100
66.
Cosmetology: Hair Care and Services
What technique is used in hair cutting to remove bulk without altering the overall length?
66 out of 100
67.
Cosmetology: Hair Care and Services
What determines the natural flow or direction of hair growth?
67 out of 100
68.
Cosmetology: Hair Care and Services
Why is it important to perform a tension test before a chemical service?
68 out of 100
69.
Cosmetology: Hair Care and Services
What is the primary reason for using a cap or foil in highlighting techniques?
69 out of 100
70.
Cosmetology: Hair Care and Services
When performing a chemical relaxer service, why is it important to conduct a strand test?
70 out of 100
71.
Cosmetology: Hair Care and Services
What is the primary purpose of using a neutralizing shampoo after a chemical relaxer?
71 out of 100
72.
Cosmetology: Hair Care and Services
In the context of hair coloring, what does the term "double-process application" refer to?
72 out of 100
73.
Cosmetology: Hair Care and Services
Why is it important to apply a barrier cream to the hairline before starting a chemical texturizing service?
73 out of 100
74.
Cosmetology: Hair Care and Services
What is the key difference between a semi-permanent and a demi-permanent hair color?
74 out of 100
75.
Cosmetology: Hair Care and Services
What technique is primarily used to create a seamless blend of different hair colors or tones throughout the hair?
75 out of 100
76.
Cosmetology: Hair Care and Services
Why is it crucial to perform a porosity test before a chemical service?
76 out of 100
77.
Cosmetology: Hair Care and Services
In hair cutting, what is the purpose of using the point cutting technique?
77 out of 100
78.
Cosmetology: Hair Care and Services
What is the primary function of a clarifying shampoo in hair care?
78 out of 100
79.
Cosmetology: Hair Care and Services
When performing a scalp analysis before a hair service, which of the following conditions would contraindicate a chemical service?
79 out of 100
80.
Cosmetology: Skin Care and Services
In professional skin care, what is the purpose of performing a patch test before certain treatments?
80 out of 100
81.
Cosmetology: Skin Care and Services
What is the primary concern when performing services on clients with couperose skin?
81 out of 100
82.
Cosmetology: Skin Care and Services
What is the primary function of the stratum corneum in the skin's epidermis?
82 out of 100
83.
Cosmetology: Skin Care and Services
What is the primary effect of alpha hydroxy acids (AHAs) on the skin?
83 out of 100
84.
Cosmetology: Skin Care and Services
Which facial treatment is primarily aimed at extracting comedones?
84 out of 100
85.
Cosmetology: Skin Care and Services
Which of the following ingredients is commonly used in products to improve skin hydration by attracting water to the skin?
85 out of 100
86.
Cosmetology: Skin Care and Services
What skin condition is characterized by redness, visible blood vessels, and sometimes acne-like bumps, primarily affecting the face?
86 out of 100
87.
Cosmetology: Skin Care and Services
Which of the following is a primary benefit of using retinoids in skin care?
87 out of 100
88.
Cosmetology: Skin Care and Services
What is a contraindication for microdermabrasion treatments?
88 out of 100
89.
Cosmetology: Skin Care and Services
What is the function of melanin in the skin?
89 out of 100
90.
Cosmetology: Nail Care and Services
What is the effect of exposing gel nail polish to UV or LED light?
90 out of 100
91.
Cosmetology: Nail Care and Services
In professional nail services, what does the term "capping the free edge" refer to?
91 out of 100
92.
Cosmetology: Nail Care and Services
Which of the following is a common sign of nail fungus (onychomycosis)?
92 out of 100
93.
Cosmetology: Nail Care and Services
In nail art, what is the purpose of using a dotting tool?
93 out of 100
94.
Cosmetology: Nail Care and Services
What is the main purpose of the nail matrix?
94 out of 100
95.
Cosmetology: Nail Care and Services
What is the primary reason for using a base coat under nail polish?
95 out of 100
96.
Cosmetology: Nail Care and Services
Which technique is essential in the application of acrylic nails to prevent lifting?
96 out of 100
97.
Cosmetology: Nail Care and Services
What is the primary purpose of a cuticle oil or cream?
97 out of 100
98.
Cosmetology: Nail Care and Services
What is the recommended procedure for disinfecting nail tools that are not single-use?
98 out of 100
99.
Cosmetology: Nail Care and Services
Which nail condition is characterized by white spots on the nail plate and is often caused by minor trauma?
99 out of 100
100.
Cosmetology: Scientific Concepts
What is the pH range of healthy skin?
100 out of 100