Table 72 the Fate of E In Table 7

question 22

Multiple Choice

Table 7.2 The fate of E. coli O157:H7 in apple cider held at 8°C for 2 weeks, with and without preservatives, is shown below:
$$\begin{array} { l c } & \text { Bacteria } / \mathrm { ml }\text { Cider only } & 2.2 \\\text { Cider with potassium sorbate }& 2.0 \\\text { Sodium benzoate }& 0 \\\text { Potassium sorbate } + \text { sodium benzoate } & 0 \\\end{array}$$ In Table 7.2, which preservative is most effective?

• A) potassium sorbate
• B) potassium sorbate + sodium benzoate
• C) sodium benzoate
• D) no preservative

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Definitions:

Conditioned

Refers to a behavior or response that has been learned or acquired through association with an environmental stimulus.

Frequency

The rate at which something occurs over a particular period of time or in a given sample.

Forgetting

A decrease in a response as a result of not being able to display it over time. Forgetting involves preventing a response from occurring for some period after it has been conditioned.

Withholding Reinforcement

A behavioral strategy involving the absence or delay of a reinforcement to decrease or eliminate an undesired behavior.