Ortho infectious dz

Which of the following is a risk factor for septic arthritis?

• Diabetes

• Hypertension

• Asthma

• Hyperthyroidism

Which pathogen is commonly associated with cat bites leading to septic arthritis?

• Pasteurella multocida

• Staphylococcus aureus

• Neisseria gonorrhoeae

• Streptococcus pyogenes

What is the best lab value to judge treatment response in septic arthritis?

• CRP (C-reactive protein)

• WBC (White Blood Cell) count

• ESR (Erythrocyte Sedimentation Rate)

• Glucose level

Which of the following is NOT a common presentation of osteomyelitis?

• Pain, low-grade fever

• Localized erythema, edema, warmth

• Sepsis

• High blood pressure

What is the most common pathogen associated with osteomyelitis?

• Staphylococcus aureus

• Escherichia coli

• Pseudomonas aeruginosa

• Salmonella

Which imaging technique is helpful to assess the extent of infection in septic arthritis?

• CT scan with contrast

• X-ray

• MRI

• Ultrasound

What is the typical WBC count range in synovial fluid for inflammatory arthritis?

• 2,000-100,000

• <200

• >100,000

• 200-2,000

Which of the following is a common pathogen for gonococcal arthritis?

• Neisseria gonorrhoeae

• Staphylococcus aureus

• Streptococcus pyogenes

• Pseudomonas aeruginosa

What is the most common joint affected by hematogenous spread in septic arthritis?

• Knee

• Elbow

• Wrist

• Ankle

Which of the following is NOT a common pathogen for septic arthritis?

• Staphylococcus aureus

• Streptococcus pyogenes

• Neisseria gonorrhoeae

• Escherichia coli