Which of the Following Affects the Size of the Clear

question 52

Multiple Choice

Which of the following affects the size of the clear zone in a disk diffusion test of antimicrobial susceptibility?

• A)the initial concentration of the drug
• B)the solubility of the drug
• C)the diffusion rate of the drug
• D)all of the choices

---

Definitions:

Reticular Formations

A complex network of nerve pathways in the brainstem involved in consciousness, sleep-wake cycles, and filtering incoming stimuli to discern irrelevant background information.

Limbic Systems

A complex set of brain structures located on both sides of the thalamus, involved in many of our emotions and motivations, particularly those related to survival such as fear, anger, and emotions related to reproduction.

Interneurons

Neurons that transmit signals between other neurons, especially as part of reflexes or neural circuits.

Neurons

Specialized cells transmitting nerve impulses; the fundamental units of the brain and nervous system.