A patient with rheumatoid arthritis has been experiencing increased pain over the last 2-3 weeks. The patient's rheumatoid arthritis has previously been controlled with methotrexate and periodic NSAID and steroid use for acute flares. However, currently this regimen is inadequate.
The physician wants to initiate therapy with etanercept.
Which of the following infections should be screened for prior to initiating therapy?

A 25-year-old woman who is HIV-positive and has a CD4+ count of 120 cells/mm begins antiretroviral therapy. The patient's CD4+ count drops to 45 cells/mm3 over the next year. For which of the following opportunistic infections should this patient receive prophylaxis?

A 72-year-old patient, weighing 72 kg and measuring 173 cm tall, presents to the emergency department with an acute ischemic stroke. The symptoms have been present for just over an hour. The patient has a history of hypertension and is currently taking lisinopril 10 mg daily.
The patient's evaluation reveals no intracerebral hemorrhaging. The current BP is 178/100 mm Hg. It is now 150 minutes from stroke symptom onset.
Which of the following should now be administered?

A 76-year-old man has his first visit with a pharmacotherapy specialist for the management of his anticoagulation. The patient states that he started warfarin last week as instructed by his physician. He is able to explain the reason that he was started on anticoagulation therapy.
During the interview, some of the specialist's questions go unanswered or are answered inappropriately. For example, when asked if he has had any bleeding, the patient states that his breathing is fine.
Which will most likely be a barrier to the effective education of this patient?

A 60-year-old man who is HIV-positive describes symptoms of erectile dysfunction and requests therapy. Current medications include tenofovir 300 mg orally daily, emtricitabine 200 mg orally daily, atazanavir 300 mg orally daily, and ritonavir 100 mg orally daily. In addition to counseling on preventing HIV transmission, which recommendation is appropriate?