NIC Nail Technician Written ExamScientific ConceptsEasy
A client has a visible infection on their finger, characterized by redness, swelling, and pus. Under a microscope, the technician observes rod-shaped bacteria. Which morphological classification does this represent?
- ACocci
- BFungi
- CBacilli
- DSpirilla
Show answer & explanationAnswer & explanation
Correct answer: C. Bacilli
Bacteria are classified by their shapes. Rod-shaped bacteria are known as bacilli and are a common cause of various infections. Recognizing bacterial morphology is crucial for understanding infection types.
Why the other options are wrong
- A. Cocci are spherical-shaped bacteria.
- B. Fungi are eukaryotic organisms, not bacteria, and have different cellular structures.
- D. Spirilla are spiral-shaped bacteria.
Bacterial Morphology: Bacilli
Bacilli are rod-shaped bacteria that can cause a variety of infections.
- Rod-shaped appearance.
- Common cause of infections.
- One of the three basic bacterial shapes.
Memory trick: Rods are for BACks, Spirals for SPIRits, Circles are COCky.