Fungal Skin infections 

What is the most common presentation of tinea corporis?
a) Asymptomatic patches of various colors on the chest and back
b) Round erythematous lesions with central clearing and raised vesicular borders
c) Irregular red lesions in moist areas with papules and pustules
d) Symmetrical lesions in the groin area that affect the scrotum and penis

Which of the following is a distinguishing feature of tinea cruris compared to yeast infections?
a) It commonly affects the scrotum and penis
b) It is asymptomatic
c) It spares the scrotum and penis
d) It presents as pustules in moist areas

What is the primary causative agent of pityriasis versicolor?
a) Candida albicans
b) Malassezia species
c) Trichophyton rubrum
d) Epidermophyton floccosum

Which of the following is NOT a risk factor for cutaneous candidiasis?
a) Diabetes mellitus
b) Use of corticosteroids
c) Contact with infected animals
d) Tropical environment

What is a recommended first-line non-pharmacological intervention for tinea infections?
a) Application of oil to the skin to reduce dryness
b) Wearing loose-fitting clothing to reduce skin irritation
c) Avoiding sunlight to reduce hyperpigmentation
d) Using medicated powder to prevent recurrence

Which antifungal treatment is effective for both tinea corporis and tinea cruris?
a) Tolnaftate
b) Selenium sulfide
c) Clotrimazole 1%
d) Nystatin

How long should topical antifungal treatment for tinea corporis typically continue?
a) Until the lesion clears
b) 1 week after the skin clears
c) Minimum of 4 weeks
d) Both b and c

What is the role of selenium sulfide in managing tinea cruris?
a) It is a first-line treatment for active infection
b) It is used prophylactically to prevent recurrence
c) It is only effective when combined with oral antifungals
d) It is not effective for tinea infections