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Derm 1 > Intro > Flashcards

Intro Flashcards

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Dermatology Board Prep flashcards
1
Q

Largest organ of body

A

Integument = the skin

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2
Q

Functions of skin (9)

A

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

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3
Q

What are the 3 layers of the skin

A

Epidermis Dermis Subcutaneous (hypodermis) layer

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4
Q

The active layer of cell growth is the _______ cell layer

A

Basal cell layer of the epidermis

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5
Q

What type of cell is in the basal cell layer?

A

Melanocytes (pigment cells)

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6
Q

What layer has nerve endings for the skin?

A

Dermis

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7
Q

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

A

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

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8
Q

What layer of the skin causes dimpling aka cellulite

A

Subcutaneous layer

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9
Q

Location of vitamin D synthesis

A

Dermis

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10
Q

List (8) primary lesions

A

Macule Papule Plaque Nodule Pustule Vesicle Bulla Wheal

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11
Q

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

A

Macule

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13
Q

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

A

Plaque

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14
Q

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

A

Nodule

Note: a large nodule is referred to as a tumor

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15
Q

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

A

Pustule

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16
Q

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

A

Vesicle

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17
Q

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

A

Bulla

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18
Q

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

A

Wheal (hive)

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

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19
Q

List (7) secondary lesions

A

Scales Crusts Erosion Ulcers Fissure Atrophy Scar

20
Q

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

A

Scales

21
Q

A collection of dried serum and cellular debris; a scab

A

Crust

22
Q

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

A

Erosion

23
Q

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

A

Ulcer

24
Q

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

A

Fissure

25
Q

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

A

Atrophy

26
Q

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

A

Striae (stretch mark)

27
Q

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

A

Scar

28
Q

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

A

Papule

29
Q

What kind of primary lesion is this?

A

macule

* flat

30
Q

What kind of primary lesion is this?

A

papule

* elevated and must be 0.5 cm in diameter or less

31
Q

What kind of primary lesion is this?

A

plaque

* elevated and more than 0.5 cm in diameter

* often formed by confluence of papules

32
Q

What kind of primary lesion is this?

A

nodule

* elevated and more than 0.5 cm in diameter

* large nodule = tumor

33
Q

What kind of primary lesion is this?

A

pustule

* collection of leukocytes and free fluid

34
Q

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

A

vesicle

35
Q

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

A

bulla

36
Q

What kind of primary lesion is this?

A

Wheal (hives)

37
Q

What kind of secondary lesion is this?

A

scales

* produced by abnormal keratinization and shedding

38
Q

What kind of secondary lesion is this?

A

crust

39
Q

What kind of secondary lesion is this?

A

erosion

40
Q

What kind of secondary lesion is this?

A

ulcer

41
Q

What kind of secondary lesion is this?

A

fissure

42
Q

What kind of secondary lesion is this?

A

atrophy

43
Q

What kind of secondary lesion is this?

A

striae

44
Q

What kind of secondary lesion is this?

A

scar

Derm 1 (8 decks)

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