Which term describes a factor such as a microorganism or a chemical substance that can impact the development of a disease or illness?

Which term describes a factor such as a microorganism or a chemical substance that can impact the development of a disease or illness?

• A. Disease agent
• B. Antibiotic
• C. Diagnosis
• D. Microorganism

Answer: (A)

A disease agent describes any factor that can lead to or influence the development of a disease, including both microorganisms and chemical substances. That broad scope fits the prompt, since it’s asking for a term that covers agents that can impact illness, not just a specific type. An antibiotic is a treatment used against infections, not a factor that causes disease. A diagnosis is the act of identifying a disease, and a microorganism is a specific kind of disease agent, but the question includes chemical substances as possible contributing factors too, so the broader term is the best fit.

A disease agent describes any factor that can lead to or influence the development of a disease, including both microorganisms and chemical substances. That broad scope fits the prompt, since it’s asking for a term that covers agents that can impact illness, not just a specific type. An antibiotic is a treatment used against infections, not a factor that causes disease. A diagnosis is the act of identifying a disease, and a microorganism is a specific kind of disease agent, but the question includes chemical substances as possible contributing factors too, so the broader term is the best fit.