A 10-year-old girl presents to the clinic, with her mother, complaining of a circular, itchy rash on her scalp for the past 3 weeks. Her mother is also worried about her hair loss. The girl has a past medical history significant for asthma. She needs to use her albuterol inhaler once per week on average. Her blood pressure is 112/70 mm Hg; the heart rate is 104/min; the respiratory rate is 20/min, and the temperature is 37.0°C (98.6°F). On exam, the patient is alert and interactive. Her lungs are clear on bilateral auscultation. On palpation, a tender posterior cervical node is present on the right side. Examination of the head is shown in the image. Which of the following is the best treatment option for the patient?
ASubcutaneous triamcinolone
BTopical betamethasone
CKetoconazole shampoo
DOral terbinafine
EOral doxycycline
A 46-year-old man with HIV infection comes to the physician because of a 1-week history of severe retrosternal pain while swallowing. He has not been compliant with his antiretroviral drug regimen. His CD4+ T-lymphocyte count is 98/mm3 (N ≥ 500). Endoscopy shows white plaques in the esophagus. The most appropriate immediate treatment is a drug that inhibits which of the following enzymes?
ADNA polymerase
BHydrogen-potassium ATPase
CCytochrome p450 enzymes
DPhospholipase A2
ESqualene epoxidase
A 22-year-old woman presents to her primary care physician complaining of a red, itchy rash on her elbows and shoulders for 2 months. She has no history of medical problems, and review of systems is positive only for occasional loose stools. She is appropriately prescribed dapsone, which relieves the rash within hours. What is the diagnosis?
APorphyria cutanea tarda
BCandida intertrigo
CLeprosy
DDermatitis herpetiformis
ESystemic lupus erythematosus
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