Anatomy_Concepts_Ch5

Question 1

primary functions of skin

Answer 1

protection<br></br>body temperature regulation<br></br>excretion<br></br>production of vitamin D<br></br>sensory reception

Question 2

layers of the epidermis (deep to superficial)

Answer 2

stratum basale (basal layer) (aka stratum germinativum)<br></br>stratum spinosum (spin=spine)<br></br>stratum granulosum (gran=grain)<br></br>strutum lucidum (luci=clear) (only found in thick skin, not thin skin)<br></br>stratum corneum (horny layer) (cornu=horn)

Question 3

nail parts

Answer 3

distal free edge, a nail plate (the visible attached part), and a root (the proximal part embedded in the skin)

Question 4

wall of a hair follicle (external to internal)

Answer 4

peripheral connective tissue sheath (fibrous sheath)–derived from the dermis<br></br>glassy membrane–at the junction of the fibrous sheath and the epithelial rooth sheath; in essence the basement membrane of the follicle epithelium<br></br>epithelial rooth sheath–derived from the epidermis; two components: external root theath (direct continuation of the epidermis) and internal rooth sheath (derived from the matrix cells)

Question 5

rule of nines

Answer 5

way to estimate how much of the body is burned:<br></br>9% front of each leg, back of each leg; 4.5% front of head, back of head, front of each arm, back of each arm; 18% front of trunk, back of trunk, 1% perineum

Question 6

ABCE(E) rule

Answer 6

a tool to recognize melanoma from moles and new pigment spots:<br></br>Assymetry<br></br>Border irregularity<br></br>Color<br></br>Diameter<br></br>Evolution