Author: usn_

A 64-year-old man who has a history of transient ischemic attacks is taking clopidogrel. He presents

A 64-year-old man who has a history of transient ischemic attacks is taking clopidogrel. He presents to his primary care physician for follow-up. Which of the following should the primary care physician be concerned about in this patient? (A) Anemia (B) Leukemia (C) Lymphoma (D) Thrombotic thrombocytopenic purpura (E) Transient ischemic attacks

A 67-year-old woman presents to her primary care physician with a viral infection. She has a 45… 1 answer below »

A 67-year-old woman presents to her primary care physician with a viral infection. She has a 45 packyear history of smoking, and past medical history includes COPD. The virus causing her infection has a specific M2 ion channel that can be blocked by certain antivirals. With which virus is she infected? (A) CMV (B) HSV-1 […]

A 27-year-old man presents to the urgent care clinic with multiple painful ulcers on the shaft of… 1 answer below »

A 27-year-old man presents to the urgent care clinic with multiple painful ulcers on the shaft of his penis. Some strains of the causative virus are resistant because of a mutated thymidine kinase enzyme. Which of the following antivirals may be less effective in treating this man’s infection if his strain of virus has a […]

A 22-year-old African American man who is a college student plans to travel to Africa for a semester

A 22-year-old African American man who is a college student plans to travel to Africa for a semester of study abroad. A university student health physician prescribes chloroquine for malaria prophylaxis starting 2 weeks before the trip. Soon after starting the regimen, the patient develops scleral icterus. What is the most likely underlying cause for […]

A 22-year-old sexually active male presents to his primary care physician with painful urination and

A 22-year-old sexually active male presents to his primary care physician with painful urination and urethral discharge. Gram stain of discharge fluid shows gram-negative diplococci. He is given ceftriaxone for gonococcal infection. What additional medication, if any, should he be given? (A) Aztreonam (B) Doxycycline (C) Imipenem/cilastatin (D) Nitrofurantoin (E) No additional medication is needed; […]

A 58-year-old woman with end-stage cervical cancer has undergone surgery, chemotherapy, and…

A 58-year-old woman with end-stage cervical cancer has undergone surgery, chemotherapy, and radiation therapy. She has chronic pelvic pain and is being treated with a fentanyl patch. Because of continued intractable pain, she places three patches on at the same time. She is found dead 6 h later by her caretaker. What is the most […]

A 22-year-old sexually active man presents to the ambulatory care clinic with dysuria, penile… 1 answer below »

A 22-year-old sexually active man presents to the ambulatory care clinic with dysuria, penile discharge, and a swollen right knee. A joint aspirate of his right knee reveals many neutrophils as well as some gramnegative diplococci. Which is the best choice to treat his condition? (A) Ceftriaxone (B) Cephalexin (C) Dexamethasone (D) Meropenem (E) Penicillin […]

A 32-year-old woman found out 1 month ago that she has HIV disease. She began a HAART regimen after.

A 32-year-old woman found out 1 month ago that she has HIV disease. She began a HAART regimen after learning her HIV status. Now she presents with nausea, vomiting, and abdominal pain. Serum amylase is elevated. If her condition is related to her medications, which drug is most likely the cause of her symptoms? (A) […]

A 24-year-old man complains of night sweats, weight loss, and pruritus over several weeks. Physical.

A 24-year-old man complains of night sweats, weight loss, and pruritus over several weeks. Physical exam shows nontender lymphadenopathy. A lymph node biopsy reveals Reed–Sternberg cells. He is started on a chemotherapy regimen including one drug that works primarily by trapping cells in the mitotic (M) phase of the cell cycle. Which drug is this? […]

A 25-year-old man with multiple sexual partners begins to have flulike symptoms. He visits his… 1 answer below »

A 25-year-old man with multiple sexual partners begins to have flulike symptoms. He visits his primary care physician who recommends an HIV screening test based on his history. He is found to have an HIV infection and begins a drug regimen. Which of the following works by blocking the cleavage of the HIV polyproteins? (A) […]