Microbiology Quiz #34, Cutaneous Mycoses  

1. A 24-year-old male presents to the clinic with a pruritic, circular rash on his thigh. On examination, the lesion is annular with a scaly, raised border and central clearing. An image of the lesion is shown below. Which of the following is the most likely causative organism? 

Question 1 of 5

2. A 35-year-old woman presents with multiple hypopigmented, slightly scaly patches on her back that worsen with sun exposure. An image of the skin lesions is shown below. A Wood's lamp examination reveals a yellowish fluorescence. Which of the following is the most likely diagnosis? 

Question 2 of 5

3. A patient presents with a scaly rash on the scalp that has led to hair loss in the affected area. Which of the following is the most appropriate treatment for this condition? 

Question 3 of 5

4. A teenage boy presents with a pruritic, ring-shaped rash on his groin area. The rash has a well-defined edge and is redder on the outside. Which of the following is the best initial treatment? 

Question 4 of 5

5. A patient presents with a complaint of a chronic, itchy foot rash that is worse between the toes. On examination, there is maceration and scaling between the toes. Which of the following diagnostic tests is most appropriate to confirm the suspected diagnosis? 

Question 5 of 5


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