Module 3 Portage Learning Medical Terminology EXAM WITH ANSWERS

Module 3 Portage Learning Medical
Terminology EXAM WITH ANSWERS

Skin is:
The largest organ of the body.




What is the function of the skin?
Protect the body, regulate temperature, sense the
surrounding environment, and secrete various
substances.




Skin is made up of two layers:
Epidermis and dermis




Epidermis is made up of 5 layers:
stratum germinativum, stratum spinosum, stratum
granulosum, stratum lucidum, and stratum corneum.

,Melanin
Pigment that colors the skin




Langerhans cells
Protect the skin from invading mircroorganisms




Keratin
Protein that forms hair, nails, and the thick skin of the
palms and soles.




Dermis
Made up of connective tissue




Macule
Flat, discolored spot on the skin. AKA a mole

,Wheal
Localized, temporary elevation of the skin that is itchy.
AKA Urticaria or Hives




Papule
Solid, confined, and elevated area of the skin. AKA pimple




Vesicle
Small fluid-filled sac. AKA a blister




Pustule
Small, elevated confined lesion that is filled with pus. AKA
a pimple can be a pustule




Ulcer
Erosion, or eating away, of healthy tissue

, Fissure
Crack-like slit that extends through the epidermis into the
dermis




Hair:
Thin, stringlike structure that develops out of a hair
follicle




Nails:
Located on fingers and toes.




Nails are made up of:
Hard keratin and cover the end of the fingers and toes.




Nail body:
Visible portion of the nail and covers the part of the
epidermis