Integumentary System Part 2

Question 1

Crust

Answer 1

Thickened, dried out exudate left when vesicles / pustules burst to dry up

Question 2

Crust examples

Answer 2

Impetigo, scab after abrasion

Question 3

Scale

Answer 3

Compact, desiccated flakes of skin, dry or greasy, silvery or white, from shedding of dead excess keratin cells

Question 4

Scale examples

Answer 4

psoriasis
Seborrheic dermatitis
Eczema
Dry skin

Question 5

Lichenification

Answer 5

Rough, thickened epidermis secondary to persistent rubbing, itching or skin irritation (often on flexor surface)

Question 6

Scar

Answer 6

Thin to thick connective tissue that replaces normal skin following injury or laceration of the dermis

Question 7

Hypertrophic scar

Answer 7

May have some overgrowth but not as excessive as keloid

Question 8

Atrophic scar

Answer 8

Skin level is depressed with loss of tissue

Thinning of epidermis

Question 9

Atrophic scar example

Answer 9

Straie - stretch marks

Question 10

Keloid

Answer 10

Irregular shaped, elevated, progressively enlarging scar
Grows beyond boundaries of wound
Caused by excessive collagen formation

Question 11

Excoriation

Answer 11

Loss of epidermis, linear hollowed out crusted area, self inflicted, superficial (scratch?)

Question 12

Fissure

Answer 12

Linear crack or break from the epidermis to the dermis

Question 13

Fissure example

Answer 13

Cheilosis, athlete’s foot

Question 14

Erosion

Answer 14

Loss of part of the epidermis, depressed, moist, glistening, follows rupture of a vesicle or a bulla

Question 15

Petichiae

Answer 15

Tiny, flat, purple or red spots on the surface of the skin (macular) resulting from minute hemorrhages

Question 16

Ecchymoses

Answer 16

Bruising
Leakage of blood into skin
>3mm in diameter

Question 17

Purpura

Answer 17

Confluent and extensive patch of petechiae and ecchymoses

Question 18

Telangiectasia

Answer 18

Spider veins
Fine, irregular, red
Secondary to capillary dilation

Question 19

Cherry angioma

Answer 19

Aging change, tiny, red papule due to overgrowth of capillaries

Question 20

Alopecia

Answer 20

Hair loss

Question 21

Lanugo

Answer 21

Infants- “Duck fuzz” - after birth is replaced with fine villus hair

Question 22

Linea niagra

Answer 22

Big line down pregnant woman’s belly

Question 23

Cholasma

Answer 23

Darkened pigmentation in face during pregnancy

Question 24

Senile purpura

Answer 24

Lots of little bruises on feet, hands, etc

Question 25

Atrophy

Answer 25

Thinning of the skin surface and loss of skin markings

appears translucent