Resistance and D-Value Quiz
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Questions and Answers

What is the definition of D-value?

The D-value is defined as the time taken at fixed temperature or the radiation dose required to achieve 90% reduction in viable cells.

What does the D-value assume?

The D-value assumes a linear relation between surviving fraction and time or radiation dose.

How does the D-value change with temperature?

The D-value decreases at higher temperatures.

What does the Z-value refer to?

<p>The Z-value refers to a value for heat treatment only.</p> Signup and view all the answers

What does a D-value measure?

<p>A D-value measures the degree of resistance of an organism to a sterilizing agent.</p> Signup and view all the answers

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