Answers to MOOC cosmetics appreciation and application in Chinese universities

This article is reproduced from the public account of Zhongxuegang

1. Please select which of the following is not a cosmetic product

A. Floral water

B. Hand sanitizer

C. Cologne

D. Detergent

Answer: dish soap

1. Which of the following substances is the invention of the following substance due to the development of cosmetic production technology?

A. Surfactants

B. Grease

C. Increase of water-soluble substances

D. Alcohol chemicals

Answer: surfactants

1. The main characteristics of cosmetics are:

A. Safety, stability, usability, efficacy

B. Safety, anti-corrosion, practicality, efficacy

C. Practicality, safety, efficacy, anti-corrosion

D. Safety, efficacy, anti-corrosion and usability

Answer: safety, stability, usability, efficacy

1. The following are not special types of cosmetics:

A. Sunscreen

B. Spot removal cream

C. Moisturizer

D, hair removal plaster

Answer: moisturizer

1. The absorption routes of cosmetics are:

A. Transcellular space

B. Transepidermal cell membrane

C. Through pores, sweat glands, sebaceous gland channels

D. Translymphatic circulation

Answer: transcellular space;

Transepidermal cell membrane;

Through pores, sweat glands, sebaceous channels

1. According to the water-oil balance, facial skin classification includes:

A. Normal skin

B. Oily skin

C. Dry skin

D. Combination skin

Answer: Normal skin;

dry skin;

oily skin;

Combination skin

1. Regarding the role of cosmetics, which of the following statements is wrong?

A. Keep the air fresh

B. Eliminate bad odor and emit fragrance

C. Resist wind and cold, protect the skin

D. Increase the beauty effect of charm

E. Improve appearance, modification, concealment

Answer: Keep the air fresh

2. In order to ensure the safety of cosmetics, various measures have been taken, the following are true:

A. Classify and manage cosmetics

B. Special cosmetics need to be approved

C. Filing system for general cosmetics

D. Strict approval of new raw materials

E. All cosmetics require approval before they are marketed

Answer: Special cosmetics are subject to approval;

Strict approval of new raw materials;

Filing system for general cosmetics;

Classification management of cosmetics

1. Which of the following surfactants has the lowest performance on the skin?

A. Diethanolamide cocoate

B. Sodium dodecyl sulfate

C. Lecithin

D. Dioctadecyl dimethylsodium chloride

Answer: Diethanolamide cocoate

2. The functions of powder in cosmetics include:

A. Covering

B. Spreading

C. Attachment

D. Oil absorption

E. Sterilization

Answer: masking;

Spreading;

Cling;

Oil absorption

1. W/O and O/W respectively indicate:

A. Water-in-oil emulsion, oil-in-water emulsion

B. Oil-in-water emulsion, water-in-oil emulsion

C. All are oil-in-water emulsions

D. All are water-in-oil emulsions

Answer: A

2. Which of the following are common raw materials in shampoo?

A. Preservatives

B. Foam promoter

C.pH regulator

D. Surfactants

答案:A、B、C、D

1. The cycle of hair growth does not include:

A. Pre-growth

B. Degenerative period

C. Resting phase

D. Growth period

Answer: A

2. The following statement is wrong:

A. The shampoo can be poured directly on the scalp

B. Scratching the nails will hurt the scalp

C. Comb your hair before shampooing

D. It is best to let the hair dry naturally when there is time

Answer: Pour shampoo directly onto your scalp

1. Suitable surfactants in cleansing soothing skin care products are:

A. Amphoteric surfactants

B. Anionic surfactant

C. Cationic surfactant

D. Nonionic surfactant

Answer: amphoteric surfactants

2. The subjective symptoms of sensitive skin include:

A. Stinging

B. Cauterization

C. Itching

D. Tightness

答案:A、B、C、D

1. A brand of sunscreen packaging is marked with PA++, which is converted to PFA value equal to:

A、4~7

B、5~8

C、2~3

D. Less than 2

Answer: 4~7

2. The wavelength of ultraviolet A (UVA) is:

A、320~400 nm

B、100~400 nm

C、310~360 nm

D、280~320 nm

E、100~280 nm

Answer: D

1. The principles of use of makeup cosmetics are incorrect

A. Use multi-manufacturer cosmetics at the same time

B. Do not wear heavy makeup frequently

C. Remove makeup in a timely and thorough manner

D. The time for cosmetics should not be too long

E. Do not share makeup cosmetics with others

Answer: Use cosmetics from multiple manufacturers at the same time

2. The selection of powder raw materials should refer to the following characteristics

A. Hiding power

B. Absorption

C. Spreadability

D. Adhesion

E. Chorio

Answer: Hiding power;

Absorption;

spreadability;

adhesion;

Choriogeneous

1. Which of the following masks is not suitable for dry skin?

A. Lemon mask

B. Banana mask

C. Cucumber mask

D. Aloe vera green tea mask

E. Honey olive oil moisturizing mask

Answer: Lemon mask

2. The mechanism of action of beauty mask is:

A. Sealing function

B. Warming effect

C. Osmosis

D. Cleaning effect

E. Contraction

Answer: Sealing effect;

Warming effect;

Osmosis;

Cleaning effect;

Contractile effect;

1. Which of the following is amphoteric surfactant:

A. Polyvinyl chloride alkyl sodium carbonate

B. Sulfosuccinates

C. Sodium lauryl sulfate

D. Betaine

Answer: D

2. Regarding facial cleanser, the following is true:

A. According to the different purposes of use, it can be divided into ordinary type, frosted type, and curative type

B. The nature of synthetic detergent is mild, and the property is significantly reduced compared with soap

C. Soap cleaner is made of fat. The pH of oil and salt is 9.5~10 alkali salt

D. Solvent-based facial cleanser is mainly aimed at oily dirt

E. Foam facial cleanser has strong ability to clean oily dirt

Answer: According to the different purposes of use, it can be divided into ordinary type, frosted type, and curative type;

Synthetic detergents are mild, and their properties are significantly reduced compared with soap;

Soap cleaners are made from fat. Alkali salt composed of oil and salt with pH 9.5~10;

Solvent-based facial cleansers mainly target oily dirt

1. Glycerin in moisturizing products is a kind of:

A. Hygroscopic agent

B. Blocking agent

C. Emollient

D. Preservatives

Answer: Hygroscopic agents

2. The parameters commonly used to evaluate the efficacy of moisturizing products are:

A. Water content of the stratum corneum

B. Transepidermal dehydration

C. Sebum

D. Skin pH

Answer: Transepidermal dehydration

1. Which of the following is not a cosmetic raw material with oil control and acne removal effect

A. Lanolin

B. Vitamin B6

C. Sulfur

D、锌

E. Salicylic acid

Answer: lanolin

2. The causes of acne formation include:

A. Increased androgen activity

B. Strong secretion of sebaceous glands

C. Hyperkeratosis at the opening of the sebaceous gland of the hair follicles

D. Propionibacterium acnes

E. Staphylococcus aureus

F. Malassezia

Answer: Increased androgen activity;

Strong secretion of sebaceous glands;

hyperkeratosis at the opening of the sebaceous glands of the hair follicles;

Propionibacterium acnes

1. How many keratinocytes are connected by each melanocytes to form an epidermal melanin unit?

A、36

B、34

C、35

D、27

E、28

Answer: 36

2. Which of the following ingredients is not a tyrosinase inhibitor?

Which of the following ingredients is not a tyrosinase inhibitor?

A. Arbutin

B. linoleic acid

C. methylgenoate

D. Hydroquinone

Answer: B