Five patients with influenza A are being considered for treatment with either rimantadine or amantadine. Which of the following patients would be better suited to receive treatment with rimantadine?

Five patients with influenza A are being considered for treatment with either rimantadine or amantadine. Which of the following patients would be better suited to receive treatment with rimantadine?

A 25-year-old man with HIV disease presents to his primary care physician for management. His CD4 counts are dramatically lower than normal. He is being considered for therapy with protease inhibitors. Regarding the role of ritonavir in this patient, which of the following statements is true?

A 49-year-old man with advanced squamous cell carcinoma of the skin is treated with topical 5-fluorouracil. He presents to his oncologist for follow-up. In addition to monitoring renal and hepatic function for toxicity, one could theoretically measure levels of which of the following excreted products?

A 24-year-old male soldier has just returned from a duty tour in Iraq. He complains of a 3-cm diameter nonhealing ulcer on his left forearm. He reports having an insect bite there while in Iraq. Which of the following drugs would be best for this patient?

A 4-year-old boy is brought by his mother to the clinic complaining of perianal itching. He spends the weekdays at a daycare center. The mother also brings a strip of adhesive tape from the night before which she had stuck to the child’s perianal area as the doctor had ordered on the phone. Microscopic examination of the tape revealed small, white, round worms. Which is the best treatment for this child?