Which of the Following Accurately Describes Radioactive Isotopes When Used

question 32

Multiple Choice

Which of the following accurately describes radioactive isotopes when used as diagnostic tracers?

• A)Radioactive isotopes are used by cells differently than the analogous chemical. This allows for the identification of differences in cellular metabolism.
• B)Radioactive isotopes used in chemical reactions in the cell are not hazardous to organisms.
• C)Radioactive isotopes are incorporated into biological molecules allowing for the tracking of cellular metabolism.
• D)Elevated isotope in a location in the body indicates the isotope is not being metabolized by the cell.
• E)Positron-emission-tomography detects reduced chemical incorporation of the radioactive isotope.

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Definitions:

Tying Agreements

Commercial arrangements where the seller conditions the sale of one product on the buyer's agreement to purchase another product from the seller.

Sherman Act

A foundational antitrust law in the United States aimed at promoting competitive markets by prohibiting certain business activities that reduce competition.

Credit Sales

Transactions where goods or services are provided to the buyer with the agreement that payment will be made at a later date.

Sherman Act

A foundational U.S. antitrust law enacted in 1890, aimed at prohibiting monopolistic practices and promoting competitive markets.