Bacterium
Acinetobacter baumannii
Healthcare-associated nonfermenting coccobacillus
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High-yield clue
Healthcare nonfermenter + coccobacillus + multidrug-resistance framing.
Overview
A hardy Gram-negative coccobacillus used in AMR study sets for healthcare-associated nonfermenters and multidrug-resistance vocabulary.
Classification
- Gram-negative
- Coccobacillus
- Nonfermenter
- Strict aerobe concept
Lab & identification clues
- Oxidase-negative nonfermenter contrast
- Coccobacillus morphology
- Susceptibility vocabulary
Associations
- Ventilator-associated pneumonia vocabulary
- Wound infection coursework association
- Carbapenem resistance framing
Commonly confused with
- Pseudomonas aeruginosa
- Enterobacterales
- Haemophilus influenzae
Frequently asked questions
What is Acinetobacter baumannii?
A hardy Gram-negative coccobacillus used in AMR study sets for healthcare-associated nonfermenters and multidrug-resistance vocabulary.
What is the Gram stain of Acinetobacter baumannii?
Acinetobacter baumannii is Gram negative.
What are the lab clues for Acinetobacter baumannii?
Lab clues for Acinetobacter baumannii include Oxidase-negative nonfermenter contrast, Coccobacillus morphology, and Susceptibility vocabulary.
What is Acinetobacter baumannii commonly confused with?
Acinetobacter baumannii is commonly confused with Pseudomonas aeruginosa, Enterobacterales, and Haemophilus influenzae.
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.