QUESTIONS AND ANSWERS RATED A+
Why is UVB radiation also known as "burning rays"? - ANSWER- UVB wavelengths cause cancer
as well as burning of the skin
What is not an element of the skin's acid mantle? - ANSWER- blood (sebum, lipids, and sweat
are part of the skin's acid mantle)
What causes injured skin to restore itself to its normal thickness? - ANSWER- hyperproduction
of cells
Histology is also known as..... - ANSWER- microscopic anatomy
Which of the following is not a characteristic of healthy skin?
Moist
Smooth
Slightly Rough
Somewhat Acidic - ANSWER- slightly rough
What are the most abundant in the fingertips, as opposed to other parts of the body? -
ANSWER- sensory nerve fibers
What is the average internal temperature of the body in degrees Fahrenheit? - ANSWER- 98.6
Why does the body perspire? - ANSWER- To protect us from overheating
What are follicles? - ANSWER- tubelike openings in the epidermis
,What is glycation? - ANSWER- The binding of a protein molecule to a glucose molecule
What are hair papillae? - ANSWER- cone-shaped elevations at the base of the follicle
Where in the body is hyaluronic acid found? - ANSWER- skin
What is hydrolipidic film? - ANSWER- oil-water balance that protects the skin's surface
What is the acid mantle? - ANSWER- Protective layer of lipids and secretions on the skins
surface
Where in the body are the coiled structures known as apocrine glands found? - ANSWER-
underarm and genital areas
What is the result of the contraction of the arrector pili muscle? - ANSWER- goosebumps
What are ceramides? - ANSWER- Glycolipid materials
What is collagen? - ANSWER- Fibrous tissue made from protein
What are corneocytes? - ANSWER- Hardened keratinocytes
What are membranes of ridges and grooves that attach to the epidermis? - ANSWER- dermal
papillae
How fast does hair grow? - ANSWER- 6 inches per year/ 0.5 inches per month
, What is oil that provides protection for the epidermis from external factors and that lubricates
both the skin and hair? - ANSWER- sebum
What is the formal name for the horny layer? - ANSWER- Stratum Corneum
What is the technical name for the nail? - ANSWER- Onyx
What is true of the Stratum Corneum? - ANSWER- It is the outermost layer of the skin
What happens in the Stratum Germinativum? - ANSWER- Cells divide
What happens in the stratum granulosum? - ANSWER- keratin and intercellular lipids are
produced
What part of the skin provides a protective cushion and energy storage for the body? -
ANSWER- subcutaneous layer
What are the glands that excrete perspiration, regulate body temperature, and detoxify the
body? - ANSWER- sudoriferous
What is telangiectasia? - ANSWER- capillary wall dilation (small, widened blood vessels on the
skin)
What causes transepidermal water loss? TEWL
perspiration, evaporation, salivation, or secretion - ANSWER- evaporation
What is the dermis? - ANSWER- Support layer below the epidermis