Intro

Question 1

Largest organ of body

Answer 1

Integument = the skin

Question 2

Functions of skin (9)

Answer 2

Protective barrier Keeps out/kills microorganisms Repels many chemicals Prevents excess water loss Guards against UV radiation Regulates temperature Vitamin D Sensory organ Excretion of toxins

Question 3

What are the 3 layers of the skin

Answer 3

Epidermis Dermis Subcutaneous (hypodermis) layer

Question 4

The active layer of cell growth is the _______ cell layer

Answer 4

Basal cell layer of the epidermis

Question 5

What type of cell is in the basal cell layer?

Answer 5

Melanocytes (pigment cells)

Question 6

What layer has nerve endings for the skin?

Answer 6

Dermis

Question 7

What layer of the skin lubricates the skin and help maintains barrier to water, chemicals, etc

Answer 7

Dermis. It’s the sebaceous (oil) glands that lubricate

Question 8

What layer of the skin causes dimpling aka cellulite

Answer 8

Subcutaneous layer

Question 9

Location of vitamin D synthesis

Answer 9

Dermis

Question 10

List (8) primary lesions

Answer 10

Macule Papule Plaque Nodule Pustule Vesicle Bulla Wheal

Question 11

Circumscribed, flat discoloration that may be brown, blue, red, or hypopigmented

Answer 11

Macule

Question 13

A circumscribed, elevated, superficial, solid lesion more than 0.5 cm in diameter, often formed by the confluence of papules

Answer 13

Plaque

Question 14

A circumscribed, elevated, solid lesion more than 0.5 cm in diameter

Answer 14

Nodule

Note: a large nodule is referred to as a tumor

Question 15

A circumscribed collection of leukocytes and free fluid that varies in size.

Answer 15

Pustule

Question 16

A circumscribed collection of free fluid up to 0.5 cm in diameter

Answer 16

Vesicle

Question 17

A circumscribed collection of free fluid more than 0.5 cm in diameter

Answer 17

Bulla

Question 18

A firm, edematous plaque resulting from infiltration of the dermis with fluid

Answer 18

Wheal (hive)

Note: wheals are transient and may last only a few hours

Question 19

List (7) secondary lesions

Answer 19

Scales Crusts Erosion Ulcers Fissure Atrophy Scar

Question 20

Excess dead epidermal cells that are produced by abnormal keratinization and shedding

Answer 20

Scales

Question 21

A collection of dried serum and cellular debris; a scab

Answer 21

Crust

Question 22

A focal loss of epidermis; _______ do not penetrate below the dermoepidermal junction and therefore heal without scarring

Answer 22

Erosion

Question 23

A focal loss of epidermis and dermis; ______ heal with scarring.

Answer 23

Ulcer

Question 24

A linear loss of epidermis and dermis with sharply defined, nearly vertical walls

Answer 24

Fissure

Question 25

A depression in the skin resulting from thinning of the epidermis or dermis

Answer 25

Atrophy

Question 26

Linear depressions of the skin that usually occur with rapid stretching of the skin

Answer 26

Striae (stretch mark)

Question 27

An abnormal formation of connective tissue implying dermal damage; after injury or surgery _____ are initially thick and pink but with time become white and atrophic

Answer 27

Scar

Question 28

Elevated solid lesion put o 0.5 cm in diameter; color varies; may become confluent and form plaques

Answer 28

Papule

Question 29

What kind of primary lesion is this?

Answer 29

macule \* flat

Question 30

What kind of primary lesion is this?

Answer 30

papule \* elevated and must be 0.5 cm in diameter or less

Question 31

What kind of primary lesion is this?

Answer 31

plaque \* elevated and more than 0.5 cm in diameter \* often formed by confluence of papules

Question 32

What kind of primary lesion is this?

Answer 32

nodule \* elevated and more than 0.5 cm in diameter \* large nodule = tumor

Question 33

What kind of primary lesion is this?

Answer 33

pustule \* collection of leukocytes and free fluid

Question 34

What kind of primary lesion is this if the collections of free fluid are less than 0.5 cm in diameter?

Answer 34

vesicle

Question 35

What kind of primary lesion is this if the collections of free fluid are more than 0.5 cm in diameter?

Answer 35

bulla

Question 36

What kind of primary lesion is this?

Answer 36

Wheal (hives)

Question 37

What kind of secondary lesion is this?

Answer 37

scales \* produced by abnormal keratinization and shedding

Question 38

What kind of secondary lesion is this?

Answer 38

crust

Question 39

What kind of secondary lesion is this?

Answer 39

erosion

Question 40

What kind of secondary lesion is this?

Answer 40

ulcer

Question 41

What kind of secondary lesion is this?

Answer 41

fissure

Question 42

What kind of secondary lesion is this?

Answer 42

atrophy

Question 43

What kind of secondary lesion is this?

Answer 43

striae

Question 44

What kind of secondary lesion is this?

Answer 44

scar