A 14-year-old boy has mild papulopustular acne on the forehead, the nose, and the cheeks, with sparse involvement of the upper trunk and the neck. Which of the following is the most appropriate initial therapeutic agent?

Which of the following sources is most likely to publish the current recommendations from the Centers for Disease Control and Prevention regarding the use of recombinant hepatitis B Vaccine?

A pharmacotherapy specialist in a managed-care organization is about to review a new drug for the treatment of osteoporosis. The P&T committee will use the results in deciding whether to add the new drug to the formulary. Which of the following information would be most helpful?

A 60-year-old man with heart failure states that he becomes "a bit short of breath" after climbing a flight of stairs. His ejection fraction is 40%. Current medications include lisinopril 5 mg daily, metoprolol XL 100 mg daily, aspirin 81 mg daily, furosemide 40 mg daily, and digoxin
250 mcg daily. All vital signs and laboratory values are stable and within normal limits. Which of the following recommendations would be most appropriate at this time?

A 24-year-old Woman complains of dysuria, hesitancy in urination, and frequent urination for the past 2 days. She has no costovertebral tenderness, fever, or history of UTls. Urinalysis data are:
* pH: 5.5
* WBCS: 15 cells/ul
* RBCS:5 Cells/uL
* Bacteria: Numerous Gram-negative rods
* Negative for protein, glucose, and WBC casts
For this patient, assuming that local resistance rates are low, which of the following would be an empiric cost-effective regimen?