A ⁹⁹Mo-^99mTc Generator Is Eluted Monday at 7:00 AM, Producing

question 6

Multiple Choice

A ⁹⁹Mo-^99mTc generator is eluted Monday at 7:00 AM, producing 1.8 Ci of ^99mTc in the eluate vial, in 20 ml saline.What volume of eluate should be withdrawn from the eluate vial into a syringe in order to inject a patient with 20 mCi of ^99mTc at 3:00 PM? (Given the half-life of ^99mTc is 6.02 hours.)

• A)0.56 ml
• B)0.66 ml
• C)0.76 ml
• D)0.86 ml

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Definitions:

Factorial ANOVA

A statistical test used to examine the effects of two or more independent variables on a dependent variable, and their interactions, within an experimental design.

Probability Level

The threshold of significance in hypothesis testing, indicating the likelihood that a result is not due to chance.

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment, ignoring other factors or interactions.

Dependent Variable

The variable in an experiment that is expected to change in response to changes in the independent variable.