Derm

Question 1

Hyperkeratosis

Answer 1

Thickening of stratum corneum

Question 2

Parakeratosis:

Answer 2

retention of nuclei in stratum corneum (normal in mucous membranes)

Question 3

Hypergranulosis:

Answer 3

Hyperplasia of stratum granulosum

Question 4

Acanthosis:

Answer 4

diffuse epidermal hyperplasia

Question 5

Papillomatosis:

Answer 5

hyperplasia and enlargement of contiguous dermal papillae leading to surface elevation

Question 6

Dyskeratosis:

Answer 6

abnormal keratinization occurring prematurely in cell below stratum granulosum

Question 7

Acantholysis:

Answer 7

loss of intercellular connections causing loss of cohesion between keratinocytes

Question 8

Spongiosis:

Answer 8

Epidermal intercellular edema

Question 9

Macule:

Answer 9

flat, <2cm freckle

Question 10

Patch:

Answer 10

flat, >2cm rash/ measles.

Question 11

Papule:

Answer 11

raised, <1 cm eczema

Question 12

Nodule:

Answer 12

raised, >1cm nevi/mole

Question 13

Tumor:

Answer 13

raised, >5cm melanoma

Question 14

Vessicle:

Answer 14

fluid filled, <1cm HSV lesion

Question 15

Bulla:

Answer 15

fluid filled, >1cm burn

Question 16

Pustule:

Answer 16

pus filled, impetigo

Question 17

Ulcer:

Answer 17

defect in epidermis syphilitic chancre

Question 18

Crust:

Answer 18

defect w/ coagulated plasma scab

Question 19

Scales:

Answer 19

keratin layers covering skin seborrheic keratosis, psoriasis (flakes or sheets: can be scraped away)

Question 20

Squames:

Answer 20

Lg scales ichthyosis

Question 21

Fissure:

Answer 21

dermis-deep, sharp-edge defect athlete’s foot

Question 22

layers of skin

Answer 22

dermis: outter, epiderm, middle, hypoderm: inner aka subcutaneous

Question 23

4 layers of epidermis

Answer 23

Stratum Corneum
Stratum Granulosum
Stratum Spinosum
Stratum Basale