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Chapter 7
Hair and Scalp Properties State Review
| Question | Answer |
|---|---|
| Which type of hair has the largest diameter and usually requires more processing? | coarse hair |
| The hair, skin, nails, and glands are part of the _____ system. | Integumentary |
| If a cosmetologist holds a strand of hair with one hand while sliding the other hand’s thumb and forefinger from the end of the strand to the client’s scalp, what component of the hair is being analyzed? | porosity |
| What is the growth phase during which new hair is produced? | anagen |
| Which portion of the hair root structure supplies nutrients so that the hair can grow? | the dermal papilla |
| Which layer of the hair shaft provides strength, elasticity, and color? | the cortex |
| Which of the following is a reason cosmetologists should understand hair and scalp properties? | Identifying hair growth cycles and the differences between common and uncommon hair loss will help when recommending hair loss treatments to the client. |
| What are the two parts of a strand of human hair? | the root and the shaft |
| Which of the following is true about hair? | Hair growth rate is determined by genetics. |
| Which sentence best describes the medulla? | The medulla is the hair's pith or core. |
| Each of the following is one of the main types of body hair EXCEPT ______. | anagen hair |
| What is the outermost layer of hair? | hair cuticle |
| Which of the following is a situation in which a cosmetologist would allow the hair to cool before styling? | when hydrogen side bonds have been broken by the heat from a curling iron |
| The ability of the hair to absorb moisture is hair _____. | porosity |
| Hair is approximately _____ percent protein. | 90 |
| Which of the following best describes how a disulfide bond in human hair is formed? | Sulfur atoms on neighboring cysteine amino acids within polypeptide chains in the hair join. |
| What are the major chemical elements that make up human hair? | carbon, oxygen, hydrogen, nitrogen, and sulfur |
| In which phase of the hair growth cycle does the follicle canal shrink and detach from the dermal papilla? | catagen phase |
| The measurement that describes the number of individual hair strands on 1 square inch of the scalp is hair _____. | density |
| Each of the following is a layer of the hair shaft structure EXCEPT ______. | the hair fiber |
| Which part of the living portion of the hair is defined as the structure in the skin or scalp that surrounds the hair root and anchors the hair in the skin? | the hair follicle |
| What is the phase of the hair growth cycle in which the hair can shed? | telogen phase |
| Which of the following conclusions can a cosmetologist make if a client expresses concern about not being able to grow the hair beyond shoulder length? | The anagen phase of the client’s hair growth is shorter than the anagen phase in other people’s hair growth, so the client’s hair will not grow any longer. |
| Which of the following can be a cause of dry hair and dry scalp? | inactive sebaceous glands |
| Which statement best describes what may have happened to cause a client’s hair to grow in a whorl pattern? | The strands of hair in the whorl are leaving the follicles at an angle different from the surrounding hairs. |
| All of the following are living portions of the hair that are below the skin surface EXCEPT: | The arrector pili muscle |
| Which component of hair is defined as the thickness or diameter of an individual hair strand? | Texture |
| The three different types of side bonds that link chains of amino acids together are _______________. | Hydrogen, salt, and disulfide |
Created by:
JCastill00