Which of the Following Is a Virus That Often Enters

question 38

Multiple Choice

Which of the following is a virus that often enters the food supply chain through shellfish harvested from polluted waters?

• A)hepatitis A
• B)cyclospora
• C)Clostridium perfringens
• D)Escherichia coli

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Definitions:

Main Effect

The direct impact of an independent variable on a dependent variable, disregarding the effects of or interactions with other variables.

Interaction Effect

In experimental design, the effect on the dependent variable that occurs from the combined influence of two or more independent variables.

Factorial Research Design

An experimental design technique that involves studying the effects of two or more factors by changing them simultaneously to observe their interactions on dependent variables.

Independent Variables

Factors that are manipulated or varied in an experiment to observe their effect on dependent variables.