Assistant Laboratory Animal Technician (ALAT) Practice Exam

What is the role of a bacteriostatic agent?

1. To kill bacteria

2. To enhance bacterial growth

3. To inhibit the growth of bacteria

4. To sterilize surfaces

The correct answer is: To inhibit the growth of bacteria

A bacteriostatic agent is defined by its ability to inhibit the growth and reproduction of bacteria without necessarily killing them. This makes it particularly useful in various clinical and laboratory settings, as it allows the immune system to effectively eliminate the bacteria while preventing further propagation of the infection. By halting bacterial growth, these agents can prevent complications from infections and allow time for the body's natural defenses to work. In contrast, options that refer to killing bacteria or enhancing growth do not align with the fundamental action of a bacteriostatic agent, as that would classify it as a bactericidal agent or a growth promoter, respectively. Additionally, processes like sterilization involve eliminating all forms of microbial life, which is not the intended function of a bacteriostatic agent.