Scenario While Radioactive Isotopes Are Used in Medicine to Identify Tumors

question 21

Multiple Choice

Scenario
While radioactive isotopes are used in medicine to identify tumors and other diseases, they can also be used to treat diseases such as cancer. One method to treat cancerous tumors is to expose them to radiation which can kill the cancerous cells and the tumor. In 2013, the U.S. Food and Drug Administration approved a new cancer treatment based on the radioactive isotope radium-223; this isotope has a half-life of 11.4 days. The radioactive drug, known as Xofigo®, is injected into the patient's bloodstream and travels to certain regions of the body. Because it emits high-energy radiation over short distances, it can kill cancerous cells in the sites where it localizes.
After the drug was injected into a person, the following data were collected regarding the amount of radiation measured in different organs in the person's body.

-Which of the following would be the best experiment to determine whether this drug is an effective treatment option for cancer patients?

• A)Give the drug to a single cancer patient and ask him how he feels several months later.
• B)Give the drug to a group of mice that have artificially induced tumors and measure whether their tumors are destroyed.
• C)Give the drug to a group of cancer patients and measure whether their tumors are destroyed.
• D)Give the drug to a single cancer patient and measure whether his tumor is destroyed.

Understand the post-closing trial balance and its significance.

Define and categorize real, personal, and nominal accounts.

Understand the sequence and importance of steps in the accounting cycle.

Differentiate between various types of trial balances (unadjusted, adjusted, post-closing).

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Definitions:

Moral Hazard

A situation in economic theory where one party is willing to take more risks because the negative consequences of the risk will be borne by another party.

Moral Hazard

A situation where one party is more likely to take risks because another party bears the consequences of those risks.

Specific Purpose

A clearly defined and precise goal or objective that a project, action, or entity aims to achieve.

Market Signaling

Actions taken by buyers and sellers to communicate quality in a world of uncertainty.