A pharmacy’s radioactive materials must not include which of the following?

In the context of a pharmacy's handling of radioactive materials, it is essential to understand the nature of the substances that are regulated. Radioactive isotopes are specific forms of elements that emit radiation and are typically used in various medical applications, such as diagnostic imaging and cancer treatment. Stabilized radioactive solutions and radioactive isotopes have a direct relevance to pharmaceutical practices, particularly in nuclear medicine.

Carbon-containing compounds, however, do not inherently pertain to the category of radioactive materials. Not all carbon-containing compounds are radioactive, and many are safe and non-hazardous in a pharmaceutical context. Therefore, the inclusion of carbon-containing compounds does not align with the strict requirements and definitions surrounding the management of radioactive materials in a pharmacy.

Thus, the correct response is the exclusion of carbon-containing compounds from the pharmacy’s radioactive materials inventory. This choice highlights the distinction between regulated radioactive substances and common organic compounds that do not pose the same hazards or require the same regulatory scrutiny.