Washington Barber License Practice Exam

Bacteria are microorganisms that can have different shapes, including rod-shaped (bacilli), round (cocci), comma-shaped (vibrios), and spiral-shaped (spirilla). The term "short rod-shaped bacteria" specifically indicates a type of bacteria that are shorter than average, and are therefore known as bacilli. Cocci, vibrios, and spirilla are terms used to describe bacteria of other shapes and are thus incorrect options for this question.