Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
CH 11
Principles of hair
| Question | Answer |
|---|---|
| The scientific study of hair, its diseases, and care is called: | trichology |
| The tube-like depression or pocket in the skin or scalp that contains the hair root is the : | follicle |
| Hair follicles are NOT found on the | soles of the feet |
| The __________________ is a tiny, involuntary muscle in the base of the hair follicle. | arrector pilli |
| An oily substance secreted from the sebaceous glands is | sebum |
| Asians tend to have | extremely straight hair |
| The measurement of individual hair strands on 1 square inch of the scalp is | hair density |
| Wet hair with normal elasticity will stretch up to ___________% of its original length | 50% |
| Which type of hair almost never has a medulla? | vellus |
| The growth phase during which new hair is produced | anagen |
| The average growth of healthy scalp hair is | 1/2 inch per month |
| The technical term used to describe gray hair is | canities |
| The medical term for dandruff is | pityriasis |
| The body can produce 11 of the 20 ____________ that make up hair | amino acids |
| Salt accounts for about __________ of the hairs overall strength | one-third |
| Scalp hair grows _______________ on women than on men | faster |
| The _____________ phase signals the end of the growth phase | catagen |
| Dandruff is believed to be caused by | fungus |
| Fine hair is ______________ than course or medium hair | more fragile |
| The ____________________ is the outermost layer of the hair | hair cuticle |
| The oil glands in the skin that are connected to the hair follicles are the ________ glands | sebaceous |
| A ___________ bond is a physical bond broken easily by water or heat. | hydrogen |
| Hair is approximately _________________ percent protein | 90 |
| Total scalp hair loss is known as | alopecia totalis |
| The technical term for beaded hair is | monilethrix |
| Shaving, clipping, and cutting the hair on the head | has no effect on hair growth |
| The ____________ are the pats of the integumentary system | hair, skin, nails, and glands |
| The technical term for knotted hair is | trichorrhexis nodosa |
| The __________ is the innermost layer of the hair | medulla |
| Hair that forms in a circular pattern on the crown of the head is called | whorl |
| A tuft of hair that stands straight up is a | cowlick |
| The ability of the hair to absorb moisture is called | hair porosity |
| The middle layer of the hair is the | cortex |
| Vellus hair is also known as | lanugo hair |
| The medical term for ringworm is | tinea |
| A mature strand of human hair is divided into two principal parts known as the | hair root and hair shaft |
| Hair is composed of cells arranged in three layers which are | cuticle, cortex, medulla |
| The cortex contains coloring matter in the form of minute grains of ___________, or pigment. | melanin |
| Hair texture refers to the _________ of the hair. | thickness or diameter |
| The ability of the hair to stretch and return to its original form without breaking is called | elasticity |
| A side bond that is easily broken by strong alkaline or acidic solutions is a _________________ bond | salt |
| Pheomelanin provides natural hair colors from _____________ to yellow and blonde tones | red and ginger |
| The shape of the hair strand, described as straight, wavy, curly, or extremely curly, is known as ______________ | wave pattern |
| The thickness or diameter of the individual hair strand is called | texture |
| The infestation of the hair and scalp with head lice is known as | pediculosis capitis |
Created by:
Cosmo16