Chemotherapy Biotherapy Certification ONS Practice Testq

What is the role of carboplatin in cancer treatment?

1. It inhibits RNA synthesis

2. It acts as a hypoxic sensitizer

3. It is a cytotoxic agent

4. It enhances non-hypoxic cell proliferation

The correct answer is: It is a cytotoxic agent

Carboplatin is classified as a cytotoxic agent, meaning that it works by directly affecting and killing cancer cells. It belongs to a group of drugs known as platinum-based chemotherapy agents. These drugs interfere with DNA replication and function, leading to cell death, particularly in rapidly dividing cancer cells. The effectiveness of carboplatin stems from its ability to form DNA cross-links, which ultimately prevents the cancer cell from dividing and growing. This mechanism is crucial for treating various types of cancer, as cancers often thrive on rapid cell division. By disrupting this process, carboplatin helps to manage and reduce tumor size and can contribute to improved survival rates in patients. While other options mention processes like inhibition of RNA synthesis, acting as a hypoxic sensitizer, or enhancing non-hypoxic cell proliferation, these do not accurately describe the role carboplatin plays in cancer treatment, as its primary function revolves around its cytotoxic properties to combat cancerous cells effectively.