Skin MCQs for MCCEE, MCCQE



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1. Treatment of the rash seen in a newborn includes:

       A)Antibiotic ointment

       B)Antifungal ointment

       C)Reassurance the mother

               D)Topical steroids

Ans: C  

This is heat rash in a newborn. It occurs due to blockage of sweat ducts when the ambient temperature is high or the baby is kept covered. The rash is benign and self limiting, and no treatment is indicated. Concerned mother should be reassured.

       

2.

The rash in the picture is pathognomonic of:

               A)Typhoid fever

               B)Rubella

               C)Deep vein thrombosis

               D)Dengue recovery rash *

Ans: D

Dengue recovery rash is seen in secondary dengue in its recovery phase. There is generalized erythema on all four extremities. The rash shows round areas of clearing before it subsides. This pattern is pathognomonic of dengue recovery rash. It heralds recovery.

3. Which of the following skin condition is contagious?                                                                  

A)     Psoriasis

B)      Rosacea

C)      Pityriasis rosea

D)     Tinea pedis

Ans: D

Psoriasis is an immune mediated disease and is non infectious. Rosacea is a skin condition precipitated by exposure to sun light, ambient temperature changes, emotional stress etc. The exact cause is not known. Pityriasis rosea is a self limiting skin condition of yet unknown etiology. It gives lifelong immunity, thus indicating a viral etiology but it is not known to be contagious. Tinea pedis is highly contagious infection, especially in athletes.

4. Following skin cancer is not predisposed by excessive sun exposure:                                                 

A)     Kaposi Sarcoma

B)      Basal cell carcinoma

C)      Squamous cell carcinoma

D)     Melanoma

Ans: A

Kaposi sarcoma is associated with Acquired immunodeficiency disease. Skin may be involved but the occurrence is not related to sun light exposure.

 

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