جــرعــة طــب

Q18. Methicillin resistance in Staphylococcus aureus is commonly mediated by:

Q17. Osteomyelitis developing after an open fracture contaminated with soil most likely results from:

Q16. A patient presents with a hot, swollen knee, fever, and severe pain on passive movement. Which investigation is most important for establishing the microbiological diagnosis?

Q15. A patient develops a prosthetic knee infection several weeks after surgery. The causative organism is coagulase-negative and forms a biofilm. What is the most likely organism?

Q14. In a patient with sickle cell disease and suspected osteomyelitis, which organism is particularly important to consider in addition to Staphylococcus aureus?

Q13. A patient presents with chronic back pain, weight loss, and vertebral destruction. Biopsy reveals granulomatous inflammation with caseous necrosis. What is the most likely causative organism?

Q12. A 22-year-old sexually active man presents with migratory joint pain, tenosynovitis, and a pustular skin rash. Which organism is most likely responsible?

Q11. A child presents with fever and severe pain over the lower end of the femur. Blood culture reveals Gram-positive cocci in clusters, catalase-positive and coagulase-positive. What is the most likely diagnosis?

Q10. Gas gangrene following a contaminated deep wound is classically caused by:

Q9. Tuberculous arthritis is caused by:

Q9. Tuberculous arthritis is caused by:

Q8. What is the most appropriate specimen for microbiological diagnosis of septic arthritis?

Q7. Which organism can cause septic arthritis associated with tenosynovitis and skin pustules in sexually active young adults?

Q6. Osteomyelitis following a puncture wound through a rubber-soled shoe is classically associated with:

Q5. A patient develops a prosthetic joint infection caused by a coagulase-negative staphylococcus that produces a biofilm. What is the most likely organism?

Q4. Which organism is particularly associated with osteomyelitis in patients with sickle cell disease?

Q3. A Gram-positive coccus arranged in clusters is catalase-positive and coagulase-positive. What is the most likely organism?

Q2. Which virulence factor of Staphylococcus aureus binds to the Fc portion of IgG?

Q1. What is the most common causative organism of acute hematogenous osteomyelitis?

Q1. What is the most common causative organism of acute hematogenous osteomyelitis?