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Physician Assistant Exam > Dermatology > Flashcards

Dermatology Flashcards

2
Q

Where are 90% of basal cell lesions found on the body?

A

Head and neck

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3
Q

What are the ABC’s of melanoma?

A

asymmetry, border, color, diameter, elevation/irregularity

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4
Q

Rhinophyma should make you think of what diagnosis?

A

Acne Rosacea

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5
Q

A slowly growing nodule with a central depression and a pearly border is often referring to what type of skin lesion?

A

Basal cell carcinoma

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6
Q

A herald patch should make you think of what diagnosis?

A

Pityriasis rosea

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7
Q

Oval patches of hair loss should make you think of what diagnosis?

A

Alopecia areata

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8
Q

What two herpes viruses are most responsible for condyloma accuminata?

A

HSV 6 and 11

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9
Q

Pitting nails is associated with what dermatologic disorder?

A

Psoriasis

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10
Q

How do you treat a stasis dermatitis?

A

Compression stockings

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11
Q

Purple, pruritic, polygonal, papule on physical exam should make you think of what diagnosis?

A

Lichen planus

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12
Q

Why should should actinic keratosis be removed?

A

It may progress to squamous cell carcinoma

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13
Q

Pearly dome shaped lesion with a central umbilication should make you think of what diagnosis?

A

Mulluscum contagiousum

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14
Q

What is the best treatment for molluscum contagiosum?

A

It is self limiting, but can be removed if patient really wants it

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15
Q

Melasma is most often found in what patient population?

A

Women of childbearing age

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16
Q

What is the key indicator of prognosis in melanoma?

A

Thickness of the lesion

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17
Q

What is first line treatment for rosacea?

A

Metronidazole, tetracycline is probably a close second

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18
Q

Nummular eczema is most like what other dermatological disorder?

A

Atopic dermatitis

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19
Q

Depigmented patches of skin should make you think of what diagnosis?

A

Vitiligo

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20
Q

What are the two most common organisms responsible for cellulitis?

A

Strep and Staph

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21
Q

What is the first line treatment for tinea corporis?

A

Topical azoles

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22
Q

What is the first line treatment for genital warts?

A

Imiquimod (aldara)

23
Q

5 year old presents in January with a red itchy rash behind his knees and on the flexor surface of the elbows. What diagnosis should you be thinking of?

A

Atopic dermatitis

24
Q

A positive auspitz sign should make you think of what diagnosis?

A

Psoriasis

25
Q

Hyperpigmented velvety plaques should make you think of what diagnosis?

A

Acanthosis Nigricans

26
Q

The term satellite lesion should make you think of what diagnosis?

A

Candida diaper rash

27
Q

Honey colored crusts should make you think of what diagnosis?

A

Impetigo

28
Q

Giant cells on a Tzanck smear should make you think of what diagnosis?

A

Herpes simplex virus

29
Q

Extremely pruritic lesions with burrows in runs should make you think of what diagnosis?

A

Scabies

30
Q

Tear drop lesion after a course of strep throat should make you think of what diagnosis?

A

Guttate psoriasis

31
Q

What is the best lab test for scabies?

A

Microscopic examination under oil immersion

32
Q

A patient with a history of herpes now presents with a target lesion. What diagnosis should you be thinking of?

A

Erythema multiforme

33
Q

Salmon colored scales should make you think of what diagnosis?

A

Psoriasis

34
Q

A patient presents with flaky skin in the nasolabial folds or in the hair. What diagnosis should you be thinking of?

A

Seborrheic dermatitis

35
Q

A christmas tree pattern should make you think of what diagnosis?

A

Pityriasis rosea

36
Q

What is the first step in treating atopic dermatitis?

A

Behavioral modifications - reduce bathing, only use soap on face and genitals, use natural breathable fabrics

37
Q

How do you treat pityriasis rosea?

A

Reassurance

38
Q

Are lesions from psoriasis typically found on flexor or extensor surfaces?

A

Extensor

39
Q

What is the treatment for seborrheic keratosis?

A

Bengin no need to treat. Lesions may be removed if unsightly

40
Q

What is the treatment for a bad brown recluse spider bite?

A

Debridement, the venom causes tissue necrosis

41
Q

What dermatologic finding is associated with asthma?

A

Atopic dermatitis

42
Q

30 year old female presents with vesicles on her face that spare the vermilion border. In her history she has been using topical steroids. What diagnosis should you be thinking of?

A

Perioral dermatitis

43
Q

Tapioca blisters should make you think of what diagnosis?

A

Dyshidrosis - these are usually on the hands and feet

44
Q

Silvery scales should make you think of what diagnosis?

A

Psoriasis

45
Q

What is the treatment for melanoma?

A

Moh’s surgery

46
Q

A waxy stuck on appearance should make you think of what diagnosis?

A

Seborrheic keratosis

47
Q

Spaghetti and meatballs on KOH prep should make you think of what diagnosis?

A

Tinea versicolor

48
Q

What dermatologic finding is associated with insulin insensitivity?

A

Acanthosis nigricans

49
Q

Coin shaped plaques should make you think of what diagnosis?

A

Nummular eczema

50
Q

How do you treat dyshidrosis?

A

Topical steroids

51
Q

How do you treat lichen simplex chronicus?

A

Get the patient to stop scratching it

52
Q

A double comedone is indicative of what diagnosis?

A

Hidradenitis suppurativa

Physician Assistant Exam (14 decks)

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