Why Is It Important That Radioisotopes Used in Diagnostic Tests

question 9

Multiple Choice

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

• A)These radioisotopes have a greater activity so they are easier to monitor.
• B)This minimizes the harmful side effects of the radiation.
• C)This is necessary so the radioisotopes will have high energy.
• D)These radioisotopes are less expensive.
• E)These radioisotopes are more abundant in nature.

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Definitions:

Expected Frequencies

The theoretically calculated frequencies of outcomes or categories in a statistical experiment based on the probability model.

Nonparametric Statistical Tests

Statistical tests that do not assume a specific distribution for the data, useful for ordinal or non-normally distributed interval data.

Population Parameters

Numerical characteristics that describe various aspects of a population, such as its mean or variance.

Expected Frequencies

The anticipated count of occurrences in each category of a statistical distribution under a null hypothesis.