Derma Flashcards
A 48/F laundrywoman and cleaner consulted for dryness and itchiness of her hands. She had multiple papules and vesicles on both palms and the lateral aspects of her fingers, some of which had erythematous bases and purulent discharge. Which of the following is an appropriate management for her condition?
a. Use latex gloves to protect her hands from harsh chemicals
b. Application of warm compress on bilateral hands
c. Treatment with low-potency glucocorticoid ointment or cream
d. Testing for secondary dermatophyte or bacterial infection
Testing for secondary dermatophyte or bacterial infection
A 23/F fashion model consulted for multiple inflamed papules and pustules most noticeable on her chin and forehead. She was initially started on benzoyl peroxide, but despite good compliance to therapy for the past three months, the lesions progressed to severe nodulocystic acne. Which of the following is the most appropriate treatment?
a. Isotretinoin
b. Azelaic acid
c. Topical glucocorticoids
d. Spironolactone
Isotretinoin
A 50/M fair-skinned businessman consulted for multiple oval, erythematous, and hyperpigmented patches with minimal scaling on his chest, shoulders and back. KOH showed short hyphae and round spores. Which of the following is the most likely pathogen involved?
a. Malassezia furfur
b. Candida albicans
c. Trichophyton tonsurans
d. Microsporum spp.
Malassezia furfur
A 19/M consulted for multiple macules on the anterior chest with fine silver scales when scratched. Golden fluorescence was observed on Wood’s lamp examination. What is the most appropriate management?
a. Selenium sulfide shampoo
b. Topical glucocorticoids
c. Methotrexate
d. UV-B phototherapy
Selenium sulfide shampoo
A 47/F consulted for marked acral sclerosis that has been progressing proximally, associated with the presence of focal digital ulcers. Her skin appeared smooth and unwrinkled with evidence of perioral radial furrowing. Which of the following is the most likely diagnosis based on her cutaneous findings?
a. Scleroderma
b. Secondary Reynaud’s
c. Generalized morphea
d. Localized morphea
Scleroderma
Which of the following conditions is INCORRECTLY paired with its associated skin findings?
a. Primary herpes virus infection: generalized vesicles evolving into pustules and ulcerations
b. Typhoid fever: transient, blanchable erythematous macules and plaques usually on the trunk
c. Dengue fever: maculopapular rash beginning on the trunk and spreads centrifugally to extremities and face
d. Anthrax: pruritic papule enlarging and evolving into a painless ulcer eventually developing into a central eschar with edema
Primary herpes virus infection: generalized vesicles evolving into pustules and ulcerations
A patient presents with pruritic papules and vesicles on his axillae, scrotum and buttocks. He noted worsening of pruritus at night and after taking a hot bath. Which of the following is the organism most likely responsible for this patient’s presentation?
a. Ixodes scapularis
b. Pthirus pubis
c. Pediculus capitis
d. Sarcoptes scabiei
Sarcoptes scabiei
A 50/M presented with erythema, telangiectasis and superficial pustules on his nose and cheeks. Which of the following is the most appropriate set of interventions for the most likely condition?
a. Oral tetracycline, isotretinoin
b. Oral tetracycline, topical glucocorticoids
c. Oral tetracycline, topical metronidazole
d. Topical glucocorticoids, topical ketoconazole
Oral tetracycline, topical metronidazole
A 30/M presented with erythematous patches and plaques on his nasolabial folds and behind his ears. Which of the following is the most appropriate set of interventions for this patient?
a. Oral tetracycline, topical glucocorticoids
b. Topical glucocorticoids, topical ketoconazole
c. Topical metronidazole, topical glucocorticoids
d. Topical metronidazole, topical ketoconazole
Topical glucocorticoids, topical ketoconazole
What is the most common type of drug-induced cutaneous reaction?
a. Urticaria
b. Fixed drug eruption
c. Morbilliform eruption
d. Pigmentation changes
Morbilliform eruption
A patient was started on allopurinol for gout . He later presented with fever and nasal catarrh for several days then developed a diffuse rash involving the face, chest and upper extremities. Laboratory tests showed creatinine 5 mg/dL, and ALT and AST both 5x elevated. Tubular cell casts and eosinophils were found in the urine. What is the usual interval between drug initiation and onset of this cutaneous reaction?
a. 1 to 2 days
b. 1 to 2 weeks
c. 2 to 8 weeks
d. 4 to 14 weeks
2 to 8 weeks
Which of the following would herald a poor prognosis for a patient with Stevens-Johnson syndrome?
a. Younger age
b. Admission to ICU
c. Early systemic glucocorticoids
d. Upper respiratory tract involvement
Upper respiratory tract involvement
Type of eczema characterized by deep-seated vesicles and scaling on palms and on lateral fingers, often associated with atopic diathesis.
a. Dyshidrotic eczema
b. Allergic contact dermatitis
c. Lichen simplex chronicus
d. Lichen planus
a. Dyshidrotic eczema
The following topical immunosuppressive agent is one used for atopic dermatitis
a. Azathioprine
b. Ciclosporin
c. Tacrolimus
d. Mycophenolate mofetil
c. Tacrolimus
In atopic dermatitis
a. Increased IgM levels
b. Decreased IgE levels
c. Increased serum IgE levels
d. Normal epidermal barrier
b. Decreased IgE levels
