Any Chemical Substance Used in Medical Practice is Known as A/an

Question

Any chemical substance used in medical practice is known as a/an:
A)antibiotic
B)antimicrobial agent
C)semi-synthetic drug
D)chemotherapeutic agent

Accepted Answer

A chemotherapeutic agent is a chemical substance used to treat diseases such as cancer, by killing or inhibiting the growth of cancer cells. Antibiotics and antimicrobial agents are specific types of chemotherapeutic agents used to treat bacterial infections, while semi-synthetic drugs are chemically altered versions of natural compounds used for medical purposes. However, only option D encompasses all these categories of drugs and is the best choice.