Texas Cosmetology Operator Written ExamSanitation, Disinfection, and SafetyMedium
Which of the following types of bacteria are associated with diseases such as tetanus, typhoid fever, tuberculosis, and diphtheria, and are characterized by a rod-like shape?
- AFungi
- BCocci
- CBacilli
- DSpirilla
Show answer & explanationAnswer & explanation
Correct answer: C. Bacilli
Bacilli are rod-shaped bacteria that are known to cause diseases like tetanus, typhoid fever, tuberculosis, and diphtheria. Understanding bacterial shapes helps identify potential pathogens.
Why the other options are wrong
- A. Fungi are not bacteria; they are a separate kingdom of organisms (e.g., molds, yeasts) that cause conditions like ringworm and athlete's foot.
- B. Cocci are round-shaped bacteria, often found in clusters or chains, and cause conditions like staph infections.
- D. Spirilla are spiral or corkscrew-shaped bacteria, responsible for diseases like syphilis and Lyme disease.
Bacilli Bacteria
Rod-shaped bacteria, often motile, that are responsible for a variety of serious diseases including tetanus, tuberculosis, and typhoid fever, making them significant in cosmetology sanitation concerns.
- Rod-shaped.
- Motile (often).
- Cause serious diseases like tetanus.
Memory trick: Round COCCI, Rod BACILLI, Spiral SPIRILLA!