# A Gram stain of purulent wound exudate shows gram-positive cocci arranged in grape-like clusters. Which organism is most likely?

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> url: https://mymerci.kr/pages/nclex_q.php?qn_id=482447  
> language: ko  
> subject: Microbiology · 임상미생물학

## 문제

A Gram stain of purulent wound exudate shows gram-positive cocci arranged in grape-like clusters. Which organism is most likely?

## 보기

1. Streptococcus pyogenes
2. Neisseria gonorrhoeae
3. Staphylococcus aureus **✔ 정답**
4. Escherichia coli

**정답: 3**

## 해설

Gram-positive cocci in clusters are typical of Staphylococcus; S. aureus is the leading wound pathogen. Streptococci form chains, Neisseria are gram-negative diplococci, E. coli is a gram-negative rod.

## 핵심 개념

- **gram stain gram positive cocci clusters staphylococcus**

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