Microbiology Quiz #52, Osteomyelitis and Urinary Tract Infections  

1. A 12-year-old boy presents with fever, localized pain, and swelling in his left leg. His mother reports that he recently had a puncture wound on the same leg while playing outside. A bone biopsy is performed, revealing acute osteomyelitis. Which of the following organisms is the most likely cause of his condition? 

Question 1 of 5

2. A 65-year-old woman with poorly controlled diabetes mellitus presents with pain in her right foot, which has become increasingly swollen and warm over the past week. Imaging studies suggest osteomyelitis. Which of the following microorganisms is most commonly associated with osteomyelitis in patients with diabetic foot ulcers? 

Question 2 of 5

3. A patient with sickle cell anemia presents with bone pain and fever. Imaging studies are suggestive of osteomyelitis. Which of the following organisms is most commonly associated with osteomyelitis in individuals with sickle cell anemia? 

Question 3 of 5

4. A 70-year-old man with a history of benign prostatic hyperplasia is diagnosed with a complicated urinary tract infection (UTI). Which of the following organisms is most commonly associated with complicated UTIs, especially in the presence of urinary tract abnormalities or instrumentation? 

Question 4 of 5

5. A patient with a recent history of IV drug use presents with fever, malaise, and back pain. MRI of the spine reveals vertebral osteomyelitis. Which of the following organisms is most commonly associated with vertebral osteomyelitis in IV drug users? 

Question 5 of 5


 

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