2015 Flashcards
(98 cards)
A 6-year old boy presents with a small, moist erythematous plaque surmounted with a golden yellow crust, on the face of a few days duration. He is otherwise well. How should he be treated? A. Local care plus topical antibiotics B. Topical plus systemic antibiotics C. Systemic antibiotics D. Watchful waiting
A
A 42 year-old male complains of a reddish brown slightly scaly patch on both axillae. Infection with Corynebacteria is suspected. Which Wood’s lamp examination finding will help confirm this? A. Enhanced darkening of the patches B. No change in the appearance C. Yellow-green fluorescence D. Coral-red fluorescence
D
A 10 year-old boy presents with multiple crusted lesions on the lower extremities. Removal of adherent crust of a lesion reveals a well-demarcated ulcer. What is the most likely diagnosis? A. Ecthyma B. Deep folliculitis C. Bockhart’s impetigo D. Multiple furunculosis
A
A 42 year-old diabetic complains of a tender erythematous plaque on his right leg of a few days duration. This was preceded by fever and malaise. Examination reveals a large erythematous, warm and swollen plaque with some blisters and crusting on the surface. Closer examination reveals that the borders of the plaque are not distinct and there appears to be a wider erythematous area than initially perceived. What is the most likely diagnosis? A. Cellulitis B. Erysipelas C. Carbuncle D. Echthyma gangrenosum
C
Where is the level of the split in the bullous impetigo located? A. Sub-epidermal B. Suprabasal C. Intraspinous D. Sub-corneal
D
A 16 year-old male athlete presents with multiple, small. Dome-shaped, fragile pustules on his buttocks noted at the beginning at the openings of some hair follicles. He is otherwise healthy with no systemic symptoms. What is the most likely diagnosis? A. Deep folliculitis B. Superficial folliculitis C. Multiple carbuncles D. Multiple furuncles
B
What lesion is considered pathognomonic for scabies? A. Burrow B. Maculae cerrulae C. Inflammatory papules D. Erythematous nodules
A
A patient returns to the clinic because of persistence of pruritus after treatment of scabies with topical scabicide. What is this most likey due to?
A. It unequivocably means treatment failure.
B. It is most likely due to an allergic reaction to the scabicide
C. The patient did not have scabies in the first place and was misdiagnosed
D. This is usually due to reaction to the (dead) mite or its products left behind after its expiration
D
Which of the following is true about crusted scabies?
A. This is scabies with several crusted and excoriated lesions
B. This often occurs in immunocompetent patients
C. This is contracted from exposure to dogs with fleas
D. This is highly contagious because of the heavy infestation
D
How is permethrin shampoo used in the treatment of pediculosis capitis?
A. The shampoo should be left on the hair overnight and rinsed off the following morning
B. Permethrin shampoo should be combined with a conditioner for ease of application
C. The shampoo is left on the hair and scalp for 10 minutes then rinsed off
D. The shampoo should be used for 3 consecutive nights
C
What features help differentiate scabies from pediculosis corporis?
A. The lesions in pediculosis corporis are not itchy
B. Close personal contacts are usually not affected in pediculosus corporis
C. Pediculosis corporis usually presents with excoriated lesions while scabies does not
D. The hands and feet are usually spared in pediculosis corporis whereas these are usually involved in scabies
D
Which of the following is true about pediculosis pubis:
A. It involves the pubic area only
B. It occurs almost exclusively among male homosexuals
C. Close personal contact is the only mode of transmission
D. Permethrin may be used in the treatment of pediculosis pubic
D
Androgens contribute to acne pathogenesis by stimulating sebaceous gland activity. Aside from this, androgens:
A. Promote thick cyst wall formation in acne conglobata
B. Influence follicular keratinocyte activity
C. Promote chemotaxis of leucocytes
D. Induce atrophic scarring
B
After prolonged use of antibiotics, multiple pustules around the mouth and the rest of the face may develop, mimicking acne vulgaris. This condition is called: A. Rosacea B. Gram negative folliculits C. Acneiform eruption D. Peri-oral dermatitis
B
Which cytokine is known to promote follicular hyperkeratinization? A. IL-8 B. TNF-alpha C. IL-10 D. IL-1
D
The most common acne lesions appearing at adrenarche/menarche is: A. Comedone B. Papule C. Pustule D. Cyst
A
Which of the following is a feature of both rosacea and acneiform eruption but not of acne vulgaris?
A. Does not involve the face
B. Does not have comedonal lesions
C. Has more telangiectatic lesions
D. Are associated with systemic medications
B
Acne may be a cutaneous manifestation of which of the following endocrine disorders? A. Diabetes mellitus B. Addison’s disease C. Polycystic ovarian syndrome D. Hypothyroidism
C
Abnormal follicular keratinization is triggered by low levels of which essential fatty acid? A. Linoleic acid B. Methionine C. Linolenic acid D. Cystine
A
Which of the following drugs may cause acneiform eruption? A. Paracetamol B. High dose Vit B1, B6, B12 C. Mefenamic acid D. Amoxicillin
B
Which of the following indicates a severe type of acne?
A. The presence of nodulocystic lesions
B. The presence of premenstrual flare-up
C. The presence of comedones on the trunk
D. The history of neonatal or infantile acne
A
In which group of acne patients should hyperandrogenic disease states be highly suspected?
A. Infants 8 months to 1.5 years old
B. Males between 20 and 30 years old
C. Female teenagers with partial response to oral antibiotics
D. Teenagers with more acne lesions on the trunk than the face
NA
17 year-old Andro consulted the clinic because of 2 months old pruritic scaly plaques, erythematous with advancing borders and central clearing, located on both his inguinal areas. Diagnostic impression would be: A. intertrigo B. Monolupus? C. Tinea cruris D. Erythrasma
C
45 year-old Mrs Cruz consulted the clinic because of multiple erythematous plaques with silvery white scales noted on her scalp, body, elbows, knees, and buttocks area. Lesions were occasionally pruritic. Lesions had been there since 3 years ago, controlled with topical medications but would recur. Diagnostic impression would be: A. Seborrheic dermatitis B. Psoriasis C. Dermatophytosis D. Hansen’s Disease
B