Exam 2 - Skin

Question 1

Erythematous, circumscribed pruritic plaques

Answer 1

Uriticaria

Question 2

this type of comedo progress to form pustule, red papule, nodule, or cyst

Answer 2

closed

Question 3

Salmon-colored plaques, covered by silvery scales

Answer 3

Psoriasis

Question 4

Inflammatory, papulosquamous, pruritic eruption

Answer 4

Seborrheic Dermatitis

Question 5

Cutaneous lesions consist of itchy, violaceous, flat-topped papules that may coalesce focally to form plaques

Answer 5

Lichen Planus

Question 6

Staphylococcal infection of an occluded hair follicle

Answer 6

Folliculitis

Question 7

Superficial blisters that rupture and leave a heavy, yellowish crust. Generally caused by streptococci

Answer 7

Impetigo

Question 8

Diffuse, spreading erythema and swelling with a sharply defined border

Red streaks of lymphangitis extending to lymph nodes

Commonly caused by streptococcus

Answer 8

Cellulitis

Question 9

Irregular annular (target-like) lesions with interior clearing and peripheral scale (containing the fungal hyphae)

Answer 9

Dermatophytoses

Question 10

Pruritic erythematous patches develop in intertriginous (between folds) or other moist areas

Answer 10

Candidiasis (yeast)

Question 11

Grouped vesicles on an erythematous base

Answer 11

Herpes simplex (HSV)

Question 12

Small papules form umbilicated vesicles and then crust

Lesions may form pustules that lead to scarring

Answer 12

Varicella (chickenpox)

Question 13

Painful, grouped papules that rapidly become vesicular

Answer 13

Zoster (shingles)

Question 14

Various kinds of “warts”

Answer 14

Human papilloma virus (HPV)

Question 15

Vesicles (fluid-filled raised area 5 mm or less) and bullae (greater than 5 mm) can be either primary or secondary

Answer 15

Vesiculobullous Disorders

Question 16

Bullous lesions produced by mechanical trauma

Answer 16

Epidermolysis Bullosa

Question 17

Bullous disease that affects young to middle age adults

Caused by autoantibodies to certain structural components of the epidermis (desmosome)

The mouth is usually affected first, followed by skin lesions of variable severity

Answer 17

Pemphigus

Question 18

Commonest of the bullous diseases; occurs mainly in the elderly

Autoantibodies are directed against basement membrane/ hemidesmosome

Bullae are generally large, tense, and widely distributed

Answer 18

Bullous Pemphigoid

Question 19

Chronic sun exposure increases what carconomas?

Answer 19

squamous cell and basal cell carcinomas

Question 20

Severe blistering sunburns in childhood increase?

Answer 20

nevi and malignant melanomas.

Question 21

“Stuck on” appearance

Tan to black tumors

May become pruritic, lose their color and increase in size

Answer 21

Seborrheic Keratosis

Question 22

Roughened red-brown lesions occurring on sun-exposed skin

Answer 22

Actinic (Solar) Keratosis

Question 23

Actinic Keratosis may progress to what?

Answer 23

invasive squamous cell carcinoma

Question 24

Indurated (hard) nodular lesions that ulcerate

Answer 24

Squamous Cell Carcinoma

Question 25

The most common malignant tumor of the skin

Most commonly at the root of the nose and along the scalp line

Answer 25

Basal Cell Carcinoma

Question 26

Pearly nodule with depressed center and superficial telangiectases (tiny dilated veins).

Answer 26

Basal Cell Carcinoma

Question 27

Tumors of melanocytes, which protect the skin from ultraviolet radiation by producing melanin pigment

Answer 27

Melanocytic Tumors

Question 28

Originate at the dermal-epidermal junction

Metastasize by dermal lymphatic vessels

Answer 28

Malignant Melanoma

Question 29

Asymmetry with irregular borders
Variegated coloration
Large diameter
Elevation from surrounding skin

Answer 29

Malignant Melanoma