Properties
1. The scientific study of hair and its diseases and care is
called:
a. A.
i. Trichology
b. B.
i. Trichoptilosis
c. C.
i. Hypertrichosis
d. D.
i. Keratinization
2. The _______________________________ is the part of the hair located
below the surface of the epidermis (outer layer of the skin).
a. A.
i. Hair root
b. B.
i. Hair shaft
c. C.
i. Hair cuticle
d. D.
i. Hair bulb
3. Naturally occurring fungus that is present on all human
skin, but is responsible for dandruff when it grows out of
control.
a. A.
i. Malassezia
b. B.
i. Keratinization
, c. C.
i. Trichoptilosis
d. D.
i. Pityriasis
4. Variety of canities characterized by alternating bands of
gray and pigmented hair throughout the length of the hair
strand.
a. A.
i. Ringed hair
b. B.
i. Monilethrix
c. C.
i. Tinea favosa
d. D.
i. Hypertrichosis
5. Process by which newly formed cells in the hair bulb
mature, fill with keratin, move upward, lose their nucleus,
and die.
a. A.
i. Keratinization
b. B.
i. Hydrophobic
c. C.
i. Disulfide bond
d. D.
i. Polypeptide chain
6. Hair that forms in a circular pattern on the crown of the
head.
a. A.
i. Whorl
, b. B.
i. Cowlick
c. C.
i. Hair stream
d. D.
i. Helix
7. Also known as lanugo hair; short, fine, unpigmented downy
hair that appears on the body, with the exception of the
palms of the hands and the soles of the feet.
a. A.
i. Vellus hair
b. B.
i. Terminal hair
c. C.
i. Hair texture
d. D.
i. Hair density
8. Middle layer of the hair; a fibrous protein core formed by
elongated cells containing melanin pigment.
a. A.
i. Cortex
b. B.
i. Hair cuticle
c. C.
i. Hair porosity
d. D.
i. Hair texture
9. The brief transition period between the growth and resting
phases of a hair follicle. It signals the end of the growth
phase.