LATEST INFECTIOUS EXAM 2022 (WITH 100% RATES) 2022

. A 36-year-old woman who lives in the suburbs of a large city comes to your office for a tuberculin skin test. She will be volunteering in her daughter's school cafeteria and the school district requires tuberculin testing. You inject a small amount of Mycobacterium tuberculosis purified protein derivative (PPD) in the skin and 2 days later she returns for a reading. You measure 12 mm of induration. She reports no history of tuberculosis exposure and no underlying medical conditions. She has never before been tested for tuberculosis. She was born in the United States, is not a healthcare worker, and has never spent time in prison. What is the best next step in her management? A. Chest X-ray B. Observation C. Isoniazid for 6 months D. Isoniazid with pyridoxine for 9 months E. Isoniazid, rifampin and pyrazinamide for 8 weeks 2. A 22-year-old male student presents with an acute onset of fever, double vision, and painful swelling around his eyes. He also has significant muscle pain in his neck and jaw muscles. A week earlier, he experienced a period of abdominal pain, nausea, vomiting, and diarrhea, all of which resolved spontaneously. He has a history of intravenous drug abuse but has recently completed of a drug rehabilitation program. He is febrile. Physical examination shows "splinter" hemorrhages, periorbital edema, and chemosis. Chest is clear to auscultation. Cardiac exam reveals no murmur. Abdomen is soft and nontender with no organomegaly. His complete blood count is shown below: Hemoglobin 13.0 g/L MCV 85 fl Platelets 228,000/mm3 Leukocyte count 10,500/mm3 Neutrophils 56% Eosinophils 21% Lymphocytes 23% Based on these findings, what is the most likely diagnosis? A. Trichinellosis B. Botulism C. Infective endocarditis D. Guillain-Barre syndrome E. Angioedema 3. A 55-year-old pig farmer is brought to the emergency department (ED) after having a seizure two hours ago. During his transit to the ED, he has another seizure. On arrival, he is unconscious, pulseless, and not breathing. Resuscitation is successful and the patient is stabilized; however, he does not do well over the next several days and is eventually declared dead. His wife says that he had been healthy most of his life, except for the past few weeks, when he was complaining of headaches. Autopsy shows multiple fluid-filled cysts in the brain parenchyma. Which of the following is the most likely diagnosis of this patient? A. Neurocysticercosis B. Lymphoma C. Metastatic brain tumor D. Glioblastoma multiforme LATEST INFECTIOUS EXAM 2022 (WITH 100% RATES) E. Tuberculoma of the brain 4. A 12-year-old boy is brought to the emergency department because of severe pain near his left knee. He has sickle cell disease, and has been hospitalized previously for sickle cell crisis. Vital signs are notable for mild fever. Examination of the left lower extremity reveals a normal knee joint with marked tenderness and swelling over the proximal tibia. Labs show leukocytosis and elevated ESR. He is subsequently diagnosed with osteomyelitis. Which of the following organisms is the most likely cause of his condition? A. Escherichia coli B. Pseudomonas species C. Salmonella species D. Staphylococcus aureus E. Group B streptococcus 5. A 55-year-old man has undergone renal transplantation due to end-stage renal failure. His postoperative course was uncomplicated. He is currently taking prednisone and cyclosporine. He is afebrile and his pulse is 80/min, respirations are 14/min, and blood pressure is 130/65 mm Hg. Physical examination is unremarkable. Which of the following should be added to his current medication regimen to prevent opportunistic infections? A. Trimethoprim-sulfamethoxazole B. Oseltamivir C. ltraconazole D. Azithromycin E. Penicillin 6. A 23-year-old male comes to E