Which of the Following Methods Is NOT Used in Studying

question 12

Multiple Choice

Which of the following methods is NOT used in studying food-borne illnesses?

• A) reporting cases to the CDC
• B) when a food is identified as a cause of an illness, tracing it to a factory or farm
• C) electron microscopy of the foods to find the pathogen
• D) molecular tests on isolated bacteria thought to be the cause
• E) comparing food intake histories of ill people to look for matches

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Definitions:

Object Constancy

Correctly perceiving objects as staying the same in their size, shape, color, and lightness, across viewing conditions that yield different physical input to the eyes.

Wavelengths

The spacing between consecutive peaks of a wave, particularly in sound waves or electromagnetic waves.

Flipbook

A book with a series of pictures that vary gradually from one page to the next, so that when the pages are turned rapidly, the pictures appear to animate by simulating motion or some other change.

Stroboscopic Motion

An optical illusion where continuous motion is represented by a series of short or instantaneous samples, as seen in motion pictures.