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Dermatology Flashcards

1
Q

Which of the following is true w of herpes zoster?
a. Lesions are polymorphic
b. Arthritis may develop in adults
c. Vesicles are uniform in size
d. Lesions are flesh colored umbilicated papuples

A

a. Lesions are polymorphic

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2
Q

Sclerotherapy is a non-surgical treatment of varicose veins. It mag be beneficial for patients with:
a. Stasis eczema
b. Dyshidrotic eczema
C. Nummular eczema
d. Atopic dermatitis

A

a. Stasis eczema - gravitational eczema

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3
Q

Black dots can be seen in which pattern of infection in Tinea capitis
a. Non inflammatory
b. Inflammatory
c. Seborrhic dermatitis type
d. Pustular type

A

a. Non inflammatory

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4
Q

In working up a patient with lichen planus, you should request for:
a. KOH
b. VDRL
c. Hepatitis profile
d. Serum IgE

A

c. Hepatitis profile

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5
Q

A 23 year old patient consulted because of severe nocturnal pruritus. In considering scabies which of the following should you ask?
a. History of food hypersensitivity
b. Similar lesions among close contacts
c. Personal history of atopy
d. History of excessive sun exposure

A

b. Similar lesions among close contacts

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6
Q

What is the alopecia of secondary syphilis?
a. Irregularly shaped patches with short broken off hair
b. Moth eaten patches
c. Cicatricial alopecia
d. Hairless patch with exclamation point hair

A

b. Moth eaten patches

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7
Q

Thrombosed capillaries can present on the surface of some warts as:
a. Black dots
b. Friable cauliflower-like mass
c. Minute erythematous papules
d. Verrucous surface

A

a. Black dots

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8
Q

Which of the following statements about acne is TRUE?
a) It may be aggravated by high glycemic diet
b) It tends to be more severe among females
c) Anti-androgenic is the most effective treatment
d) Comedonal acne is best treated with antibiotics

A

a) It may be aggravated by high glycemic diet

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9
Q

Which of the following drugs may exacerbate acne:
a) Prednisone
b) Pregabalin
c) Dapsone
d) Erythromycin

A

a) Prednisone

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10
Q

What is the most common cause of death in malignant melanoma?
a) Infection
b) Liver metastasis
c) CNS metastasis
d) Renal failure

A

c) CNS metastasis

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11
Q

What is a risk factor in Erythroplasia of Queyrat?
a) Smoking
b) Multiple sex partners
c) Uncircumcised men
d) Blonde hair and fair skin

A

c) Uncircumcised men

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12
Q

What lesion has a characteristic central dimpling when gently grasped with the thumb and forefinger?
a) Spitz nevus
b) Sebaceous cyst
c) Dermatofibroma
d) Keratoacanthoma

A

c) Dermatofibroma

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13
Q

A 2-month old male infant was brought to the OPD because of 25 cm hyperpigmented verrucous hairy plaque on the trunk. How will you manage this case?
a) Excision
b) Intralesional corticosteroid
c) Systemic corticosteroid
d) Observe for signs of malignant degeneration

A

a) Excision

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14
Q

What is the nail manifestation of Auspitz sign in psoriasis?
a) Leukonychia
b) Splinter hemorrhages
c) Nail pits
d) Oil spots

A

b) Splinter hemorrhages

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15
Q

Which of the following lesions is a result of chronic sun exposure?
a) Seborrheic keratosis
b) Solar lentigines
c) Café au lait macules
d) Acrochordon

A

b) Solar lentigines

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16
Q

Which of the following is a manifestation of Systemic Lupus Erythematosus, Dermatomyositis and Scleroderma?
a) Cuticular telangiectasia
b) Dermatofibroma
c) Mechanic’s hand
d) Heliotrope rash

A

a) Cuticular telangiectasia

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17
Q

What is the most common location of keloid?
a) Face
b) Chest
c) Shoulders
d) Upper arms

A

b) Chest

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18
Q

Which statement is TRUE regarding Paget’s disease of the breast?
a) Both breasts are affected
b) A palpable mass is always present
c) It is a manifestation of Atopic eczema
d) The nipple is often retracted

A

d) The nipple is often retracted

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19
Q

What is an indication for removal and biopsy of nevus?
a) Appearance of a depigmented zone
b) Increase in size with dome-shaped appearance
c) A new pigmented nevus in a 10-year old male
d) A nevus on the conjunctiva

A

d) A nevus on the conjunctiva

20
Q

What is the most important advice that you can give to avoid skin cancer?
a) Photoprotection
b) Exercise
c) Healthy diet
d) Avoid smoking

A

a) Photoprotection

21
Q

. A 65-year old female presented with a lesion described as fleshcolored semi-translucent nodule with a central depression and
telangiectasia on the nose. She was advised skin biopsy but was lost to follow-up. 1 year later, the lesion developed an ulcer with painless bleeding. What type of Basal Cell Cancer is this?
a) BCC, pigmented
b) BCC, superficial
c) BCC, nodulo-ulcerative
d) BCC, cicatricial

A

c) BCC, nodulo-ulcerative

22
Q
  1. What type of Keratoacanthoma (KA) affects young men with family history of similar lesions?
    a) Eruptive KA
    b) Ferguson Smith type of KA
    c) Coral reef KA
    d) KA centrifugum marginatum
A

b) Ferguson Smith type of KA

23
Q

A 50-year old male with hepatocellular cancer undergoing chemotherapy developed multiple lesions composed of blood vessels with a central arteriole and radiating legs. What are these
lesions?
a) Telangiectasia
b) Cherry angioma
c) Lentigines
d) Nevus araneus

A

d) Nevus araneus

24
Q

A 30-year old female presented with a 1.5x2 cm erythematous scaly plaque on the parietal scalp of 3 months duration. There is an atrophic scar and hair loss in the affected area. What is you
diagnosis?
a) Alopecia areata
b) Tinea capitis
c) Discoid lupus erythematosus
d) Psoriasis

A

c) Discoid lupus erythematosus

25
Q

Which of the following lesion may be associated with an underlying internal malignancy?
a) Bowen’s disease
b) Extramammary Paget’s disease
c) Dysplastic nevus
d) Balloon cell nevus

A

b) Extramammary Paget’s disease

26
Q

What is a smooth-surfaced, slightly scaly, firm papule with a pinkish, brownish-red color on the face, especially on the cheek?
a) Spindle cell nevus
b) Sutton’s nevus
c) Balloon nevus
d) Halo nevus

A

a) Spindle cell nevus

27
Q

Epidermolytic toxin is produced by which of the following organisms?
a) Strep epiddermides
b) Trichophyton rubrum
c) Microsporum canis
d) Staphylococcus aureus

A

d) Staphylococcus aureus

28
Q

Which of the following is true of Koplik’s spots?
a) Appears 2 days before and disappears 5 days after the rash
b) Lesions present as tiny white macules
c) Exanthem that is pathognomonic of measles
d) Seen on the buccal mucosa near the 2nd molars

A

d) Seen on the buccal mucosa near the 2nd molars

29
Q

Black dots on the scalp can be seen in which pattern of infection in
tinea capitis?
a) Seborrheic dermatitis type
b) Inflammatory pattern
c) Pustular type
d) Non-inflammatory pattern

A

d) Non-inflammatory pattern

30
Q

The erythema at the periphery of the lesion in molluscum contagiosum may be due to which of the following?
a) Very contagious
b) Active microorganism growth
c) Inflammation from scratching
d) Resolution of the lesion

A

c) Inflammation from scratching

31
Q

Ecthyma gangrenosum is caused by which of the following organisms?
a) Epidermophyton floccosum
b) Staphylococcus aureus
c) Candida albicans
d) Pseudomonas aeruginosa

A

d) Pseudomonas aeruginosa

32
Q

Which of the following is true of Forschheimer’s spots?
a) Seen on the buccal mucosa near the 2nd molars
b) Exanthem that is not pathognomonic of Rubella
c) Develop as the prodrome resolves and the rash begin to appear
d) Presents as tiny white macules on the soft palate and uvula

A

c) Develop as the prodrome resolves and the rash begin to appear

33
Q

Which of the following organisms produces a substance that inhibits epidermal turnover leading to hyperkeratosis in the plantar
hyperkeratotic type of tinea pedis?
a) Trichophyton mentagrophytes
b) Trichophyton rubrum
c) Microsporum canis
d) Epidermophyton floccosum

A

b) Trichophyton rubrum

34
Q

Pustules that are independent of hair follicles are seen in which of the following conditions?
a) Folliculitis
b) Furuncle
c) Miliaria pustulosa
d) Tinea capitis

A

c) Miliaria pustulosa

35
Q

Which of the following is an indication for giving systemic anti-fungal agents
a) <10% body area affected
b) 1 month duration
c) Nail involvement
d) Skin involvement only

A

b) 1 month duration

36
Q

Which of the following is characteristic of varicella?
a) Mosaic pattern
b) Umbilicated center
c) Dew drop on rose petals
d) Black dots

A

c) Dew drop on rose petals

37
Q

Ulcerative impetigo is caused by which of the following organisms?
a) Staphylococcus aureus
b) Pseudomonas aeroginosa
c) Haemophilus influenza
d) Proteus mirabilis

A

a) Staphylococcus aureus

38
Q

Madarosis is usually seen in which for of leprosy?
a) Tuberculosis
b) Lepromatous
c) Borderline Tuberculoid
d) Indeterminate

A

b) Lepromatous

39
Q

Which of the following is true of molluscum contagiosum?
a) Mosaic pattern is seen as clusters of several vesicles
b) Palms and soles are frequently involved
c) Erythema at the periphery of the lesion may be due to hypersensitivity reaction
d) Umbilicated vesicles are frequently grouped

A

c) Erythema at the periphery of the lesion may be due to hypersensitivity reaction

40
Q

What laboratory examination will identify the etiologic agent in dermatophytosis?
a) Culture
b) Acetowhite Ning test
c) Skin biopsy
d) Wood’s lamp examination

A

a) Culture

41
Q

Which of the following is a differential diagnosis of Tinea Barbae?
a) Erythrasma
b) Furuncle
c) Seborrheic dermatitis
d) Psoriasis

A

b) Furuncle

42
Q

Which of the following variants of warts present as smooth, moist, and non-hyperkeratotic papules or plaques?
a) Common wart
b) Venereal wart
c) Flat wart
d) Periungual wart

A

c) Flat wart

43
Q

Which of the following form of leprosy present with numerous, symmetrically distributed poorly defined nodules associated with
anhidrosis?
a) Lepromatous
b) Borderline Tuberculoid
c) Tuberculoid
d) Indeterminate

A

a) Lepromatous

44
Q

Viral seeding of the spleen, liver, and lungs in Varicella occurs in which phase of the disease?
a) Initial viremia
b) Secondary viremia
c) Reactivation (herpes zoster)

A

a) Initial viremia

45
Q

Separation of the nail plate from the nail bed is known as:
a) Onychomadesis
b) Onychodystrophy
c) Onychocryptosis
d) Onycholysis

A

d) Onycholysis

46
Q

Differential diagnosis for tinea capitis include which of the following EXCEPT:
a) Psoriasis
b) Tinea cruris
c) Seborrheic dermatitis
d) Alopecia areata

A

b) Tinea cruris

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