Hair Growth Cycle: Understanding the Phases of Hair Growth

Question 1

Which of the following stages of the hair growth cycle features rapid cell division and significant hair growth?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 2

Which phase of the hair growth cycle is characterized by active hair growth and is the longest in duration?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 3

Identify the primary factor that determines the rate of hair growth in individuals.

Accepted Answer

Genetics

Answer

Hormonal balance

Answer

Nutritional intake

Question 4

In which stage of the hair growth cycle does hair remain dormant and attached to the scalp?

Accepted Answer

Telogen

Answer

Anagen

Answer

Catagen

Question 5

Which symptom is a hallmark of alopecia areata?

Accepted Answer

Abrupt, circular patches of hair loss

Answer

Progressive hair thinning across the scalp

Answer

Brittle hair and split ends

Answer

Excessive dandruff

Question 6

Identify the hormone that plays a crucial role in stimulating hair growth.

Accepted Answer

Testosterone

Answer

Estrogen

Answer

Progesterone

Question 7

Which characteristic is NOT associated with the catagen phase of the hair growth cycle?

Accepted Answer

Release of the hair shaft

Answer

Shrinkage of the hair follicle

Answer

Cessation of matrix cell division

Question 8

Identify the term for the phase of the hair growth cycle when hair follicles are at rest.

Accepted Answer

Telogen

Answer

Anagen

Answer

Catagen

Question 9

Identify the protein that forms the primary structural component of the hair shaft.

Accepted Answer

Keratin

Answer

Collagen

Answer

Elastin

Question 10

Which factor has the greatest influence on the rate of hair growth in humans?

Accepted Answer

Genetics

Answer

Hormones

Answer

Nutrition

Answer

Stress

Question 11

Which phase of the hair growth cycle is characterized by the formation of new hair shafts?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 12

What is the name of the structure responsible for producing hair shafts?

Accepted Answer

Hair follicle

Answer

Sebaceous gland

Answer

Sweat gland

Question 13

Which vitamin deficiency is commonly associated with hair loss and brittle nails?

Accepted Answer

Biotin

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin D

Question 14

Which hair type in the commonly used hair typing system is characterized by fine, straight strands?

Accepted Answer

Type 1

Answer

Type 2

Answer

Type 3

Answer

Type 4

Question 15

What is the primary function of the cuticle layer of the hair shaft?

Accepted Answer

To protect the inner layers of the hair from damage

Answer

To provide hair with elasticity

Answer

To control the shape of the hair shaft

Question 16

Which chemical treatment can permanently alter the structure of the hair, changing its curl pattern?

Accepted Answer

Perm

Answer

Bleaching

Answer

Deep conditioning

Answer

Hair mask

Question 17

Which of the following is NOT a phase of the hair growth cycle?

Accepted Answer

Exogen

Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 18

Which phase of the hair growth cycle is characterized by active hair growth?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 19

Approximately what percentage of hairs on the scalp are typically in the Anagen phase?

Accepted Answer

70-85%

Answer

5-15%

Answer

25-35%

Answer

40-50%

Question 20

What is the approximate duration of the Catagen phase?

Accepted Answer

2-3 weeks

Answer

1 week

Answer

1-2 months

Answer

3-6 months

Question 21

What is the term for the shedding of hair at the end of the Telogen phase?

Accepted Answer

Exogen

Answer

Alopecia

Answer

Effluvium

Answer

Catagen

Question 22

Which of the following is the primary symptom of trichotillomania?

Accepted Answer

Compulsive hair pulling

Answer

Excessive hair growth

Answer

Alopecia

Answer

Inflammation of the scalp

Question 23

In which phase of the hair growth cycle does active hair growth occur?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 24

What is the purpose of the telogen phase?

Accepted Answer

To prepare the hair for shedding

Answer

To promote hair growth

Answer

To maintain the health of the hair shaft

Question 25

Which of the following is not a characteristic of healthy hair?

Accepted Answer

Brittle and dry

Answer

Shiny and smooth

Answer

Elastic and resilient

Question 26

Which hairbrush is most suitable for detangling wet hair?

Accepted Answer

Wide-toothed comb

Answer

Paddle brush

Answer

Round brush

Answer

Teasing comb

Question 27

What is the main function of hair conditioner?

Accepted Answer

To add moisture and smoothness

Answer

To cleanse and remove dirt

Answer

To hold hairstyles in place

Answer

To promote hair growth

Question 28

Which of the following is the longest phase in the hair growth cycle, characterized by active hair growth?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 29

Which of the following is the primary protein found in hair, giving it strength and structure?

Accepted Answer

Keratin

Answer

Collagen

Answer

Elastin

Question 30

What is the name of the structure that produces hair and is located in the skin?

Accepted Answer

Hair follicle

Answer

Hair shaft

Answer

Hair root

Question 31

What is the primary function of the cuticle in hair?

Accepted Answer

Protecting the inner layers from damage

Answer

Providing moisture to the hair

Answer

Determining the hair's color and shade

Question 32

Which hormone plays a significant role in hair growth and is primarily produced by the ovaries in females and the testes in males?

Accepted Answer

Testosterone

Answer

Estrogen

Answer

Progesterone

Question 33

What is the name of the phase in the hair growth cycle during which the hair shaft is pushed out of the follicle and eventually shed?

Accepted Answer

Telogen

Answer

Anagen

Answer

Catagen

Question 34

What is known to help hair grow in people experiencing hair loss?

Accepted Answer

Regular scalp massage

Answer

Smoking

Answer

Chronic stress

Question 35

Does trimming hair ends promote faster hair growth? Explain your reasoning.

Accepted Answer

No, hair growth originates at the root, unaffected by trimming the hair shaft.

Answer

Yes, trimming eliminates split ends, enabling hair to grow healthier and at a faster rate.

Question 36

Which of these is NOT a stage in the hair growth cycle?

Accepted Answer

Exogen

Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 37

In which phase of the hair growth cycle does active hair growth occur?

Accepted Answer

Anagen

Answer

Catagen

Answer

Telogen

Question 38

Which stage of the hair growth cycle is characterized by continuous hair growth?

Accepted Answer

Anagen

Answer

Telogen

Answer

Catagen

Question 39

Which of the following is NOT a factor that can influence hair growth?

Accepted Answer

Sunlight exposure

Answer

Genetics

Answer

Nutrition

Answer

Hormones

Question 40

Which hormone is primarily responsible for androgenetic alopecia (male-pattern baldness)?

Accepted Answer

Testosterone

Answer

Estrogen

Answer

Progesterone

Answer

Insulin

Question 41

Which of the following can lead to premature hair shedding?

Accepted Answer

Stress

Answer

Using a wide-toothed comb

Answer

Regular brushing

Answer

Frequent washing

Question 42

What is the primary function of the telogen phase in the hair growth cycle?

Accepted Answer

Resting period for the hair follicle

Answer

Production of new hair shafts

Answer

Rapid hair growth

Answer

Shedding of old hair

Question 43

Which vitamin is crucial for maintaining healthy hair growth?

Accepted Answer

Biotin

Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin C

Question 44

Approximately how many hairs are present on the average human scalp?

Accepted Answer

100,000-150,000

Answer

25,000-50,000

Answer

150,000-200,000

Answer

50,000-75,000

Question 45

Which hair care practice is beneficial for promoting hair growth?

Accepted Answer

Regular trimming

Answer

Using harsh chemicals

Answer

Excessive heat styling

Answer

Aggressive brushing

Question 46

Which phase of the hair growth cycle is characterized by rapid cell division and active hair growth?

Accepted Answer

A. Anagen

Answer

D. Exogen

Answer

B. Catagen

Answer

C. Telogen

Question 47

Which of the following is a characteristic of healthy hair?

Accepted Answer

A. Shiny and smooth

Answer

D. Greasy and oily

Answer

C. Thin and wiry

Answer

B. Dull and brittle

Question 48

During which phase of the hair growth cycle does active hair growth occur?

Accepted Answer

A. Anagen

Answer

D. Exogen

Answer

B. Catagen

Answer

C. Telogen

Question 49

What is the correct order of the three phases of the hair growth cycle?

Accepted Answer

A. Anagen, Catagen, Telogen

Answer

B. Telogen, Anagen, Catagen

Answer

D. Telogen, Catagen, Anagen

Answer

C. Catagen, Anagen, Telogen

Question 50

Which of the following can cause premature entry into the catagen phase?

Accepted Answer

Stress

Answer

Balanced diet

Answer

Regular hair washing

Answer

Frequent brushing

Question 51

What is the primary purpose of the hair follicle?

Accepted Answer

To produce and anchor hair shafts

Answer

To sense touch

Answer

To store nutrients

Answer

To regulate body temperature