Medicament USMLE_Old_S_V

A 55-year-old woman comes to the physician because of hot flashes. She first noted them about 9 months ago, and since then they have been worsening. She states that the flashes come on at various times throughout the day, but that they are especially intense at night. She had her last menstrual period approximately 5 months ago. Her medical history is significant for a pulmonary embolus at the age of 36 and severe depression. She takes fluoxetine for depression and has no allergies to medications but smokes one pack of cigarettes per day. Physical examination is unremarkable, including a normal pelvic examination. Which of the following is the most appropriate pharmacotherapy for this patient?

A 21-year-old woman, gravida 2, para 1, at 22 weeks' gestation comes to the physician because of a malodorous vaginal discharge. She states that she first noticed the discharge 2 days ago and since then it has become more profuse and malodorous. Her prenatal course has been unremarkable during this pregnancy. Her prior pregnancy was complicated by preterm labor and delivery at 31 weeks' gestation. Examination shows a grayish vaginal discharge. A strong amine odor is released when KOH is applied to a sample of the discharge. Examination of a normal saline ("wet") preparation reveals numerous "clue" cells. Which of the following is the most appropriate pharmacotherapy?

A 32-year-old woman, gravida 4, para 3, at 39 weeks' gestation comes the labor and delivery ward with painful contractions. Her prenatal course was unremarkable. Examination shows that her cervix is 5 cm dilated, 100% effaced and the fetal heart rate is in the 130s and reactive. She is given meperidine for pain control. She progresses rapidly and less than 2 hours later she delivers a 7-pound, 6-ounce (3,345g) male fetus. The one-minute APGAR score is 1 and the infant is making little respiratory effort. Which of the following is the most appropriate next step in management?

A 44-year-old renal transplant patient develops severe cough and shortness of breath on exertion. On examination, he appears dyspneic, respirations 24/min, pulse 110/min, and oxygen saturation 88%. His lungs are clear on auscultation and heart sounds are normal. CXR shows bilateral diffuse perihilar infiltrates. Bronchoscopy and bronchial brushings show clusters of cysts that stain with methenamine silver. Which of the following is the most appropriate next step in management?

A 45-year-old man with diabetes, diagnosed with pulmonary TB who started treatment two months ago, presents to you with a week's history of pins and needles in his hands and feet with associated numbness. He tells you that his symptoms started since he stopped taking the vitamins given to him at the start of his TB treatment. From the list below, which of the following drugs is responsible for the symptoms described by the patient?