Texas Cosmetology Operator Written ExamSanitation, Disinfection, and SafetyMedium
Which type of bacteria is characterized by its round shape and arrangement in clusters resembling grapes, often associated with boils and abscesses?
- ACocci
- BFungi
- CBacilli
- DSpirilla
Show answer & explanationAnswer & explanation
Correct answer: A. Cocci
Cocci are round-shaped bacteria. Specifically, staphylococci are cocci that grow in clusters like grapes and are responsible for many common infections, including boils and abscesses.
Why the other options are wrong
- B. Fungi are a separate kingdom of organisms, not bacteria.
- C. Bacilli are rod-shaped bacteria.
- D. Spirilla are spiral or corkscrew-shaped bacteria.
Cocci Bacteria
Round-shaped bacteria that can appear singly, in pairs (diplococci), in chains (streptococci), or in clusters (staphylococci).
- Staphylococci cause boils and abscesses.
- Streptococci cause strep throat.
- Diplococci cause pneumonia.
Memory trick: Cocci are circles, Bacilli are rods, Spirilla are spirals.