Derm

Question 1

Rubbing a lesion that causes urticarial flare is referred to as?

Answer 1

Darier’s sign

Question 2

Pinpoint bleeding after a scale is removed is referred to as?

Answer 2

Auspitz sign

Question 3

Pushing a blister causing further separation of the dermis is referred to as?

Answer 3

Nikolsky’s sign

Question 4

A patch test demonstrates what?

Answer 4

hypersensitivity reaction

Question 5

Minor trauma leading to new lesions at the site of trauma is referred to as?

Answer 5

Koebner phenomenon

Question 6

What test is used to identify dermatophyte infection?

Answer 6

KOH prep

Question 7

Thickened skin with distinct borders, often resulting from excessive scratching or prolonged irritation is referred to as?

Answer 7

lichenification

Question 8

You are examining a child with diaper rash, and you notice satellite lesions - what do you suspect?

Answer 8

Candida infection

Question 9

Where is the rash of atopic dermatitis most commonly located?

Answer 9

Flexor surfaces, neck, eyelids, forehead, face, dorsum of hands / feet

Question 10

Mainstay of treatment of atopic dermatitis?

Answer 10

topical corticosteroids

Question 11

Treatment of dandruff, shampoos with which two elements have been shown beneficial for acute flareups?

Answer 11

Selenium

Zinc

Question 12

Describe skin manifestations of lichenification

Answer 12

well-circumscribed plaques, highly pruritic, which set up a cycle of itch-scratch lesions

Question 13

Round, salmon-colored, slightly rasied, papular / macular lesions aligned in a “christmas tree-like distribution”, what do you suspect?

Answer 13

pityriasis rosea

Question 14

Pityriasis rosea is a self-limiting condition, of what duration?

Answer 14

3-8 weeks

Question 15

Cause of molluscum contagiosum?

Answer 15

Poxvirus

Question 16

The 4 P’s of lichen planus?

Answer 16

Purple
Polygonal
Pruritic
Papule

Question 17

Describe the lesion of lichen planus

Answer 17

Flat-topped, shiny, violaceous papules with fine white lines on the surface (Wickham Striae)

Question 18

True / False: Koebner phenomenon is seen in lichen planus?

Answer 18

True

Question 19

All patients with lichen planus should be screened for what other disease?

Answer 19

Hep C

Question 20

In what climate is dyshydrotic eczematous dermatitis (dyshidrosis) seen?

Answer 20

hot, humid weather

Question 21

What is the basic pathology of psoriasis?

Answer 21

enhanced epidermal cell turnover

Question 22

In psoriatic lesions, peeling away a scale produces specks of bleeding from capillaries? What is this called?

Answer 22

Auspitz sign

Question 23

In patients with psoriasis, scratching leads to more lesions. What’s this called?

Answer 23

Koebner phenomenon

Question 24

Most common variant of psoriasis?

Answer 24

Psoriasis vulgaris

Question 25

Which form of psoriasis involves the entire skin surface?

Answer 25

Psoriatic erythroderma

Question 26

Pemphigus vulgaris is more commonly seen in people of what descent?

Answer 26

Jewish or Mediterranean

Question 27

In pemphigus vulgaris, there is lateral extensino of the lesions when they are pushed. What is this called?

Answer 27

Nikolsky's sign

Question 28

What are hallmark lesions of acne called?

Answer 28

Comedones

Question 29

Topical preparations used in treatment of mild acne?

Answer 29

Retinoids Azelaic Acid Salicylic Acid

Question 30

Drug of choice for more serious or cystic acne?

Answer 30

Tetracyclines

Question 31

True / False: acne rosacea is a chronic acneiform disorder mainly affecting women between 30-50 yrs of age

Answer 31

True

Question 32

Typical triggers of acne roseacea?

Answer 32

Heat, alcohol, sun, hot / spicy foods

Question 33

What is characterized by insidious onset of scattered, small, papulopustules (sometimes nodules), where there are NO comedones and the face appears flushed?

Answer 33

Acne rosacea

Question 34

What does the suffix -phyma mean?

Answer 34

"enlarged"

Question 35

Most common cause of folliculitis?

Answer 35

staph aureus

Question 36

Cause of folliculitis in hot tub users?

Answer 36

Pseudomonas

Question 37

Three common causes of erythema multiforme?

Answer 37

Drugs (sulfonamids, phenytoin, barbiturates, PCN, allopurinol) Infections (HSV, Mycoplasma) Idiopathic (50% of cases)

Question 38

Hallmark of erythema multiforme major?

Answer 38

mucosal lesions that are painful and erode

Question 39

What two conditions are mucocutaneous blistering reactions, most often caused by a drug reaction?

Answer 39

Steven-Johnson syndrome | Toxic Epidermal Necrolysis (TEN)

Question 40

Where should SJS / TEN patients with extensive necrolysis be cared for?

Answer 40

Burn unit

Question 41

What pathogen is most common cause of furuncles?

Answer 41

Staph Aureus

Question 42

First step in treatment of furuncles and carbuncles?

Answer 42

Warm, moist compresses

Question 43

When beginning broad-spectrum abx for cellulitis, what three organisms should be covered?

Answer 43

H. Flu Strep Staph

Question 44

In PCN-allergic patients, what is most appropriate alternative antibiotic?

Answer 44

Erythromycin

Question 45

What should a patient taking griseofulvin avoid ingesting?

Answer 45

alcohol

Question 46

What is the cause of tinea versicolor?

Answer 46

Malassezia furfur

Question 47

Characteristic feature of tinea versicolor?

Answer 47

hypo or hyperpigmented macules that do not tan in areas of overgrowth

Question 48

Treatment of choice for tinea versicolor?

Answer 48

selenium sulfide shampoo

Question 49

Most common distribution seen in scabies?

Answer 49

hands, wrists, interweb spaces

Question 50

What is the most important spider bite that can puncture skin in the US?

Answer 50

brown recluse spider (loxosceles reclusa)

Question 51

What three topical insecticides are considered first line treatment of pediculosis (lice)?

Answer 51

Permethrin Pyrethrins Malathion

Question 52

Most common type of malignant melanoma?

Answer 52

superficial spreading malignant melanoma

Question 53

How is prognosis determined in melanoma patients?

Answer 53

depth of the lesion (Breslow depth)

Question 54

The two most common skin neoplasms?

Answer 54

Squamous and Basal cell carcinoma

Question 55

Typical presentation of squamous cell lesions?

Answer 55

sharply demarcated, scaling, hyperkeratotic macule / papule or plaque

Question 56

How are stage I decubitus ulcers characterized?

Answer 56

non-blanching erythema of intact skin

Question 57

Most effective solution for new-onset and smaller areas of hair loss?

Answer 57

minoxidil

Question 58

Alopecia areata may be seen in what four diseases?

Answer 58

thyroiditis pernicious anemia SLE addison disease

Question 59

What is a felon?

Answer 59

subcutaneous infection of the pulp space of the nail