When looking through a microscope, which portion of the hair would display living cells?
Hair bulb
Hair grows from a tube-like "pocket" called a root sheath or a...
Follicle
The follicle in straight hair is typically...
Round
The hair follicle that produces tightly curled hair is typically...
Elliptical
Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the...
Papilla
The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the...
Cuticle
The layer of hair consisting of unique protein structures that give the hair most of its pigment and strength (elasticity) is called the...
Cortex
Hair that has been pulled out from the roots will grow back unless...
The papilla is destroyed
What helps prevent the hair and skin from becoming too dry?
Sebum
What is formed when sebum produced by the oil glands mixes with the body's perspiration ?
Acid mantle
The muscle that causes the hair to stand on end when a person is scared or cold is known as the...
Arrector pili
Which of the following terms is known as the active growing stage of hair?
Anagen stage
Catagen, a brief transitional stage, lasts for what amount of time?
Only a few weeks
The resting stage of hair growth when the hair bulb has no attached root sheath is referred to as the...
Telogen stage
The lips, soles of the feet, palms of the hands and eyelids do not have...
Hair
Hair that is 90% cortex and 10% cuticle when compared to hair that is 60% cortex and 40% cuticle would be considered to be more...
Elastic
What is the total lack of pigmentation in the hair and skin called?
Albinism
Gray hair is caused by a...
Reduced color pigment, melanin, in the cortex layer of the hair
Eumelanin is the type of melanin that produces...
Brown/black hair color
People with lighter colored hair have melanin in the...
Cortex only
The number if active hair follicles per square inch refers to...
Density
The ability of the hair to absorb moisture, liquids or chemicals is known as...
Porosity
If the layers of the cuticle are very close together the hair has which type of porosity?
Resistant
Refers to the ability of hair to stretch and return to its original shape without breaking
Elasticity
Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitis crinium or...
Trichoptilosis
Fragilitis crinium is the technical name for...
Split ends
Lumps or swelling along the hair shaft is known as trichorrhexis nodosa or...
Knotted hair
The loss of pigment in the hair as a person ages is called
Acquired canities
Excessive matting of the hair is referred to as...
Plica polonica
A condition in which beads or nodes form on the hair shaft is called...
Monilethrix
Short, fine, non-pigmented hair is replaced with terminal hair around the time of
Puberty
The hair follicle that produces tightly curled hair is typically...
Elliptical
Which of the following types of hair loss refers to the loss of hair over the entire scalp and body ?
Alopecia areata universalis
Which hair color generally has the highest number of hairs per square inch on the head?
Blond
The ability of the hair to absorb moisture, liquids or chemicals is known as...
Porosity
Hair color is influenced by the amount, size, and distribution of...
Eumelanin and pheomelanin
The technical term for the study of hair is called...
Trichology
Which of the following stages is known as the active growing stage of hair?
Anagen stage
People with lighter colored hair have melanin in the...
Cortex only
Total loss of hair on the scalp is referred to as...
Alopecia areata totalis
Stimulation of the onset of the telogen stage, causing the production of abnormal, brittle hairs can be caused by...
Disease and medication
What is the hair loss caused by excessive pulling or twisting on the hair by chemical damage?
Traction
Mitosis takes place in the area of the hair bulb called the...
Germinal matrix
Keratinization is a process whereby cells...
Dry out, hangs their shape and form keratin protein
Wet hair is able to be stretched to what percent of its length?
40% to 50%
The process of hair turning gray is most commonly caused by...
The natural aging process
Hair with normal ability to absorb moisture is said to have what kind of porosity?
Average
Cilia is the technical term for...
Eyelash hair
Which condition results in a situation in which alternating bands of gray and dark hair exist?
Ringed hair
The central core of the hair shaft sometimes missing in fine or very fine hair is the...
Medulla
The most common form of hair loss in both men and women is...
Androgenetic alopecia
Dry flakes attached to the scalp or on hair, which can appear translucent are called...
Pityriasis capitis simplex
Products claiming hair regrow the or hair loss prevention cannot be marketed without which agency's prior review and approval?
FDA
Which hair color is at the greatest risk for sun damage and can turn yellow from too much exposure?
Whit hair
A red, circular patch of small blisters on the skin or scalp caused by vegetable parasite is known as tines or...
Ringworm
Which large hair structure is located at the base of the hair follicle?
Papilla
What determines the shape of the hair shaft as it grows?
The shape of the hair follicle
The cross-section, or diameter, of the hair shaft is much larger in coarse hair than...
Fine hair
Hair color is darker during which stage of growth?
Anagen
The cuticle layers protect which part of the hair strand?
Cortex
Each hair strand has about how many layers of cuticle scales?
7 to 12
Hair color is influenced by the amount, size and distribution of...
Eumelanin and pheomelanin
What is the hair loss caused by excessive pulling or twisting on the hair or by chemical damage?
Traction
Alopecia, or excessive hair loss, may be caused by
Fungal or bacterial infection or inflammatory disease of the scalp
What is the portion of hair that extends above the skins surface?
Hair fiber
The name given to grayness or whiteness of the hair is...
Canities
Stimulation of the onset of the telogen stage or causing the production of abnormal, brittle hairs can be caused by...
Disease and medication
How long does the telogen, or resting stage of hair growth, last?
3-4 months
Which of the following terms is another name for cell division?
Mitosis
Sudden hair loss in round or irregular patches without the display of an inflamed scalp is referred to as...
Alopecia areata
Various hair loss measurement systems identify...
The pattern and density of hair loss
The baby fine, silky hair that is shed shortly after birth and replaced with vellus is known as...
Lanugo
The active growing stage of hair lasts from...
2 to 6 years
What are the main purposes of hair?
Adornment, protection from heat, cold and injury
The acid mantle maintains the natural pH of hair and skin and protects the...
Cuticle
What procedural step is generally used to determine if hair loss may be identified as androgenetic alopecia?
Ask questions about family history
In androgenetic alopecia, a combination of heredity, hormones and age causes...
Shrinking or miniaturization of certain scalp follicles
Human hair, on the average, grows about...
1/2
The technical term for broken hair is...
Abraded hair
Red, watery vesicles or pus-fled areas caused by an itch mite burrowing under the skin are known as...
Scabies
What hair problem may be caused by an inherited defect in the hairs keratin protein structure?
Trichorrhexis
The medical term for greasy or waxy dandruff is...
Pityriasis steatoides
The hair bulb itself is nearly doubled back over the follicle in a growth shape resembling a golf club in...
Tightly curled hair
What scale disease may be present if prior to a service several dry, yellow, encrusted areas on the scalp are noticed along with a peculiar odor?
Tinea favosa
What may need to be done to hair in a dry climate to reduce static and soften the hear fiber
Surface conditioning
The two primary parts of hair are the hair fiber in the...
Hair root
Gray hair is sometimes referred to as
Mottled hair
The premature shedding of hair in the resting stage which can be the result of childbirth, shock, drug intake, or fever is...
Telogen effluvium
Dry flakes attached to the scalp or on the hair, which can appear translucent, are called...
Pityriasis capitis simplex
People with lighter colored hair have melanin in the...
Cortex only
What is the natural flow or wave pattern of hair determined by?
Angle of the follicle
The degree of coarseness or fineness of the hair fiber is referred to as...
Texture
When looking through a microscope, which portion of the hair would display living cells?
Hair bulb
Hair grows from a tube-like "pocket" called a root sheath or a...
Follicle
The follicle in straight hair is typically...
Round
The hair follicle that produces tightly curled hair is typically...
Elliptical
Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the...
Papilla
The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the...
Cuticle
The layer of hair consisting of unique protein structures that give the hair most of its pigment and strength (elasticity) is called the...
Cortex
Hair that has been pulled out from the roots will grow back unless...
The papilla is destroyed
What helps prevent the hair and skin from becoming too dry?
Sebum
What is formed when sebum produced by the oil glands mixes with the body's perspiration ?
Acid mantle
The muscle that causes the hair to stand on end when a person is scared or cold is known as the...
Arrector pili
Which of the following terms is known as the active growing stage of hair?
Anagen stage
Catagen, a brief transitional stage, lasts for what amount of time?
Only a few weeks
The resting stage of hair growth when the hair bulb has no attached root sheath is referred to as the...
Telogen stage
The lips, soles of the feet, palms of the hands and eyelids do not have...
Hair
Hair that is 90% cortex and 10% cuticle when compared to hair that is 60% cortex and 40% cuticle would be considered to be more...
Elastic
What is the total lack of pigmentation in the hair and skin called?
Albinism
Gray hair is caused by a...
Reduced color pigment, melanin, in the cortex layer of the hair
Eumelanin is the type of melanin that produces...
Brown/black hair color
People with lighter colored hair have melanin in the...
Cortex only
The number if active hair follicles per square inch refers to...
Density
The ability of the hair to absorb moisture, liquids or chemicals is known as...
Porosity
If the layers of the cuticle are very close together the hair has which type of porosity?
Resistant
Refers to the ability of hair to stretch and return to its original shape without breaking
Elasticity
Small cracks starting in the cuticle and splitting the hair entirely are known as brittle hair, fragilitis crinium or...
Trichoptilosis
Fragilitis crinium is the technical name for...
Split ends
Lumps or swelling along the hair shaft is known as trichorrhexis nodosa or...
Knotted hair
The loss of pigment in the hair as a person ages is called
Acquired canities
Excessive matting of the hair is referred to as...
Plica polonica
A condition in which beads or nodes form on the hair shaft is called...
Monilethrix
Short, fine, non-pigmented hair is replaced with terminal hair around the time of
Puberty
The hair follicle that produces tightly curled hair is typically...
Elliptical
Which of the following types of hair loss refers to the loss of hair over the entire scalp and body ?
Alopecia areata universalis
Which hair color generally has the highest number of hairs per square inch on the head?
Blond
The ability of the hair to absorb moisture, liquids or chemicals is known as...
Porosity
Hair color is influenced by the amount, size, and distribution of...
Eumelanin and pheomelanin
The technical term for the study of hair is called...
Trichology
Which of the following stages is known as the active growing stage of hair?
Anagen stage
People with lighter colored hair have melanin in the...
Cortex only
Total loss of hair on the scalp is referred to as...
Alopecia areata totalis
Stimulation of the onset of the telogen stage, causing the production of abnormal, brittle hairs can be caused by...
Disease and medication
What is the hair loss caused by excessive pulling or twisting on the hair by chemical damage?
Traction
Mitosis takes place in the area of the hair bulb called the...
Germinal matrix
Keratinization is a process whereby cells...
Dry out, hangs their shape and form keratin protein
Wet hair is able to be stretched to what percent of its length?
40% to 50%
The process of hair turning gray is most commonly caused by...
The natural aging process
Hair with normal ability to absorb moisture is said to have what kind of porosity?
Average
Cilia is the technical term for...
Eyelash hair
Which condition results in a situation in which alternating bands of gray and dark hair exist?
Ringed hair
The central core of the hair shaft sometimes missing in fine or very fine hair is the...
Medulla
The most common form of hair loss in both men and women is...
Androgenetic alopecia
Dry flakes attached to the scalp or on hair, which can appear translucent are called...
Pityriasis capitis simplex
Products claiming hair regrow the or hair loss prevention cannot be marketed without which agency's prior review and approval?
FDA
Which hair color is at the greatest risk for sun damage and can turn yellow from too much exposure?
Whit hair
A red, circular patch of small blisters on the skin or scalp caused by vegetable parasite is known as tines or...
Ringworm
Which large hair structure is located at the base of the hair follicle?
Papilla
What determines the shape of the hair shaft as it grows?
The shape of the hair follicle
The cross-section, or diameter, of the hair shaft is much larger in coarse hair than...
Fine hair
Hair color is darker during which stage of growth?
Anagen
The cuticle layers protect which part of the hair strand?
Cortex
Each hair strand has about how many layers of cuticle scales?
7 to 12
Hair color is influenced by the amount, size and distribution of...
Eumelanin and pheomelanin
What is the hair loss caused by excessive pulling or twisting on the hair or by chemical damage?
Traction
Alopecia, or excessive hair loss, may be caused by
Fungal or bacterial infection or inflammatory disease of the scalp
What is the portion of hair that extends above the skins surface?
Hair fiber
The name given to grayness or whiteness of the hair is...
Canities
Stimulation of the onset of the telogen stage or causing the production of abnormal, brittle hairs can be caused by...
Disease and medication
How long does the telogen, or resting stage of hair growth, last?
3-4 months
Which of the following terms is another name for cell division?
Mitosis
Sudden hair loss in round or irregular patches without the display of an inflamed scalp is referred to as...
Alopecia areata
Various hair loss measurement systems identify...
The pattern and density of hair loss
The baby fine, silky hair that is shed shortly after birth and replaced with vellus is known as...
Lanugo
The active growing stage of hair lasts from...
2 to 6 years
What are the main purposes of hair?
Adornment, protection from heat, cold and injury
The acid mantle maintains the natural pH of hair and skin and protects the...
Cuticle
What procedural step is generally used to determine if hair loss may be identified as androgenetic alopecia?
Ask questions about family history
In androgenetic alopecia, a combination of heredity, hormones and age causes...
Shrinking or miniaturization of certain scalp follicles
Human hair, on the average, grows about...
02-Jan
The technical term for broken hair is...
Abraded hair
Red, watery vesicles or pus-fled areas caused by an itch mite burrowing under the skin are known as...
Scabies
What hair problem may be caused by an inherited defect in the hairs keratin protein structure?
Trichorrhexis
The medical term for greasy or waxy dandruff is...
Pityriasis steatoides
The hair bulb itself is nearly doubled back over the follicle in a growth shape resembling a golf club in...
Tightly curled hair
What scale disease may be present if prior to a service several dry, yellow, encrusted areas on the scalp are noticed along with a peculiar odor?
Tinea favosa
What may need to be done to hair in a dry climate to reduce static and soften the hear fiber
Surface conditioning
The two primary parts of hair are the hair fiber in the...
Hair root
Gray hair is sometimes referred to as
Mottled hair
The premature shedding of hair in the resting stage which can be the result of childbirth, shock, drug intake, or fever is...
Telogen effluvium
Dry flakes attached to the scalp or on the hair, which can appear translucent, are called...
Pityriasis capitis simplex
People with lighter colored hair have melanin in the...
Cortex only
What is the natural flow or wave pattern of hair determined by?
Angle of the follicle
The degree of coarseness or fineness of the hair fiber is referred to as...
Texture