Which of the following prefixes is associated with the concept of poison?

• A. tympan/o
• B. trich/o
• C. tox/o
• D. tuss/o

Answer: (C)

The prefix that denotes the concept of poison is "tox/o." This prefix derives from the Greek word "toxikon," which means poison or toxin. It's commonly used in various medical terms related to toxicology, which is the study of the effects of chemicals, including poisons, on the body. For instance, "toxic" refers to something that is poisonous, "toxicity" measures the adverse effects of a substance, and "toxemia" indicates the presence of toxins in the blood.

The other prefixes provided relate to different medical concepts: "tympan/o" pertains to the eardrum or middle ear, "trich/o" relates to hair, and "tuss/o" is associated with coughing. Understanding these prefixes helps clarify their specific context within medical terminology, reinforcing why "tox/o" is distinctly connected to poison.