Dermatology Flashcards Preview

Physical Diagnosis I Exam One > Dermatology > Flashcards

Flashcards in Dermatology Deck (78)
Loading flashcards...
1

The skin is derived from what primary embryological layer?

Ectoderm

2

What are the three primary layers of the skin?

Epidermis, Dermis, Subcutaneous tissue

3

Which layer of the skin is avascular and superficial?

Epidermis

4

What are the cells in the epidermis that are an important component of the immunologic barrier of the skin?

Langerhans cells

5

What type of cells found in the epidermis provide protection from UV rays?

Melanocytes

6

Which layer of the skin contains blood vessels, nerves, sweat glands, etc.?

Dermis

7

What is the purpose of the subcutaneous tissue of the skin?

Insulation against the cold
Reserve food source

8

What is the term for a flat area of discolored skin less than a centimeter in diameter?

Macule

9

What is the term for a solid elevation of skin less than one centimeter in diameter?

Papule

10

What is the term for a small, fluid filled elevation of the skin?

Vesicle

11

What is the term for a small pus filled elevation of the skin?

Pustule

12

What is a dermatologic term used to describe patches, marks, spots, plaques, and nevi?

Macules

13

What is a dermatologic term used to describe warts, skin tags, and moles?

Papules

14

What is a dermatologic term used to describe blisters of herpes simplex, chicken pox, or herpes zoster?

Vesicles

15

What is the term for a larger version of a vesicle?

Bulla (bullae = plural)

16

Nodules and tumors are considered larger versions of what kind of skin eruption?

Papule

17

What is the term for an edematous swelling from something like a mosquito bite or hives that are technically not solid?

Wheal

18

What is a dermatologic term used to describe pimples?

Pustules

19

Abscesses, furuncles, and carbuncles are larger versions of what kind of skin eruption?

Pustule

20

What is the term for the flaky skin seen in cases of dandruff, seborrhea, and psoriasis?

Scales

21

What is the term used for dried serum, blood, or purulent exudates seen in cases like weeping eczema and other skin conditions?

Crust

22

What is the term for the rough, thickened epidermis with accentuated skin markings seen in cases of chronic dermatitis?

Lichenification

23

What is the term for fine, irregular, superficial capillary dilations seen in cases like rosacea?

Telangiectasis

24

What is excoriation?

Linear, crusted loss of the epidermis or dermis (example = abrasion or scratch)

25

What is erosion of the skin?

Loss of some epidermis (example = sun damaged skin)

26

What is the term for a linear crack extending into the dermis (example = athlete's foot)?

Fissure

27

What is an ulcer?

Skin concavity involving the epidermis and dermis (examples = bed sores)

28

What two common causes for a rash should be eliminated first before exploring other possibilities?

Contact and drug reactions

29

What are the most common allergens seen by practitioners leading to contact dermatitis?

Poison ivy and hand dermatitis from household or industrial irritants

30

If a patient presents with a more localized rash, what is most likely the cause?

Contact