Integumentary

Question 1

Skin - combining form(s)

Answer 1

cutane/o, dermat/o, derm/o

Question 2

Sweat Glands - combining form(s)

Answer 2

hidr/o

Question 3

Nails - combining form(s)

Answer 3

onych/o, ungu/o

Question 4

Urtic/o

Answer 4

rash, hives

Question 5

Hirsut/o

Answer 5

hairy, rough

Question 6

Layers of Skin

Answer 6

Epidermis, dermis, and subcutaneous layer (outermost to innermost)

Question 7

Components of the Epidermis

Answer 7

The epidermis does not contain any blood vessels or connective tissue; Epithelial tissues, squamous epithelial tissues, basal layer, keratin, melanocytes, melanin

Question 8

Components of the Dermis

Answer 8

Corium; contains connective tissue, blood and lymph vessels, nerve fibers, hair follicles, sebaceous and sweat glands, collagen, mast cells; heparin, and histamine

Question 9

Components of the Subcutaneous Layer

Answer 9

Connects the skin to the surface muscles; loose connective tissue, adipose tissue, lipocytes (fat cells)

Question 10

Sudoriferous glands

Answer 10

sweat glands, found on almost all body surfaces; Apocrine - found at hair follicles
Eccrine - open onto the skin and are most numerous in the palms of the hands, soles of the feet, and forehead

Question 11

Unguis

Answer 11

Fingernail or toenail; keratin plate that protects the dorsal surface of the last bone of each finger and toe

Question 12

Comedo

Answer 12

A noninfected lesion formed by the buildup of sebum and keratin in a hair follicle, often associated with acne vulgaris
Open comedo (blackhead) - a sebum plug that is exposed to air and oxidizes
Closed comedo (whitehead) - a comedo with an obstructed opening

Question 13

Anhidrosis

Answer 13

The abnormal condition of not sweating in response to heat

Question 14

Diaphoresis

Answer 14

Profuse sweating; can be a normal response to exertion or heat or it can be triggered by emotional or physical distress

Question 15

Hyperhidrosis

Answer 15

A condition of excessive sweating in one area or over the whole body

Question 16

Sleep hyperhidrosis

Answer 16

Night sweats; hyperhidrosis during sleep

Question 17

Onychomycosis

Answer 17

A fungal infection of the nail. Depending on the type of fungus, the nail can turn white, yellow, green, or black and become thick or brittle.

Question 18

Contusion, Ecchymosis, & Purpura

Answer 18

Contusion - an injury to underlying tissues without breaking the skin, characterized by discoloration and pain

Ecchymosis - a bruise; a large irregular area of purplish discoloration due to bleeding under the skin

Purpura - the appearance of multiple purple discolorations on the skin caused by bleeding underneath the skin; smaller than a bruise, larger than petechia (small pinpoint hemorrhages)

Question 19

Lesion; Macule, Nodule, Papule, Vesicle, Bulla

Answer 19

Macule - macula; discolored flat spot that is less than 1 cm in dia. (freckles, flat moles)

Nodule - solid, raised skin lesion that is larger than 0.5 cm in dia., and deeper than a papule

Papule - small, raised red lesion that is less than 0.5 cm in dia. and does not contain pus (small pimples and insect bites

Vesicle - a small blister, less than 0.5 cm in dia. containing water fluid (poison ivy rash)

Bulla - large blister that is usually more than 0.5 cm in dia.

Question 20

Pressure sore

Answer 20

Bedsore, or decubitus ulcer; an open ulcerated wound that is caused by prolonged pressure on an area of skin. Without proper care, these can quickly become infected and lead to tissue death.

Question 21

Scleroderma

Answer 21

An autoimmune disorder in which the connective tissues become thickened and hardened, causing the skin to become hard and swollen

Question 22

Urticaria

Answer 22

Hives; itchy wheals (welts) caused by an allergic reaction

Question 23

Furuncles

Answer 23

Boils; large, tender, swollen areas caused by a staphylococcal infection around hair follicles or sebaceous glands

Question 24

Impetigo

Answer 24

A highly contagious bacterial skin infection that commonly occurs in children; characterized by isolated pustules (pimple; small circumscribed lesion containing pus) that become crusted and rupture

Question 25

Onychocryptosis

Answer 25

Ingrown toenail

Question 26

Pruritus

Answer 26

Itching; associated with most forms of dermatitis

Question 27

Xeroderma

Answer 27

Excessively dry skin

Question 28

Rhytidectomy

Answer 28

Facelift; surgical removal of excess skin to remove wrinkles (rhytid - wrinkle)