Pt with signs and symptoms of septic arthritis, culture revealed gram -ve diplococci, what is the organism?
سؤال مجاني 1 من 10 اليوم · اشترك وكمّل بدون حد
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الإجابة والشرح
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الإجابة: C. Neisseria gonorrhoeae
Gram-negative diplococci are Neisseria (or Moraxella). In septic arthritis, the lecture's main organisms are S. aureus and gonococcus (Neisseria gonorrhoeae). S. aureus and S. pyogenes are gram-positive cocci, and Pseudomonas and E. coli are gram-negative bacilli.
ليش كل خيار صح أو غلط
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A
ليش غلط
Staph. aureus is a gram-positive coccus in clusters (coagulase positive), so it would not show as gram-negative diplococci.
✓ Inefctious Diseases 🦠.pdf · p. 3 -
B
ليش غلط
Strep. pyogenes is a gram-positive coccus in chains (beta-hemolytic), a common cause of pharyngitis. It does not appear as gram-negative diplococci.
✓ Inefctious Diseases 🦠.pdf · p. 3 -
C
ليش صح
Gram-negative diplococci are Neisseria spp. (or Moraxella catarrhalis). Among the options, only Neisseria gonorrhoeae fits.
✓ Antibiotic-1 (3).pdf · p. 7 -
D
ليش غلط
Pseudomonas is a gram-negative bacillus (non-lactose fermenting), not a diplococcus.
✓ Antibiotic-1 (3).pdf · p. 8 -
E
ليش غلط
E. coli is a gram-negative bacillus (lactose fermenting), not a diplococcus.
✓ Antibiotic-1 (3).pdf · p. 8
- المصدر
- Antibiotic-1 (3).pdf · p. 7
Antibiotic-1 (3).pdf · p. 36 - المحاضرة
- Antimicrobials · Infectious Diseases · Module B
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