Dermatology Practice Questions & Answers 100% Correct!

A 7-year-old African American female presents with several hyperkeratotic raised, periungual lesions on the two middle fingers of her left hand. She has a history of nail biting. The most likely diagnosis is: a. Impetigo b. Molluscum contagiousum c. Verruca vulgaris d. Herpetic whitlow - ANSWERc. Verruca vulgaris *Common warts are found most usually on fingers, hands, and feet in children and are often preceded by trauma such as nail biting or picking at cuticles Which of the following secondary skin changes is not associated with atopic dermatitis? a. Lichenification b. Striae c. Pigment changes d. Excoriations - ANSWERb. Striae *Striae describes skin that has been stretched, whereas the skin in atopic dermatitis is thickened, crusted, and hyperpigmented In infants, the lesions associated with atopic dermatitis are most likely to be distributed on the: a. cheeks and forehead b. Wrists and ankles c. Antecubital and popliteal fossae d. Flexural surfaces - ANSWERa. cheeks and forehead *The infantile phase of atopic dermatitis follows a different distribution pattern than that associated with the childhood phase, which may include the face, trunk, and extensor surfaces During your newborn examination, you note a generalized lacy reticulated blue discoloration. This clinical presentation describes: a. Harlequin color change b. Mongolian spots c. Blue nevus d. Cutis marmorata - ANSWERd. Cutis marmorata