Using the Condensed Image Method to Display Results of an Esophageal

question 23

Multiple Choice

Using the condensed image method to display results of an esophageal transit study allows for the display of

• A)a gated dynamic sequence.
• B)the complete dynamic sequence in a single image.
• C)the count rate to be calculated using a region of interest (ROI) over the entire esophagus.
• D)four parameters from a single curve.

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Definitions:

Realized Niche

The actual conditions and resources in which a species exists as a result of competition in its ecosystem.

Fundamental Niche

The potential mode of existence of a species given its adaptations, without considering the effects of competition or other biotic factors on its actual distribution.

Limiting Resources

Essential resources (such as food, water, and shelter) that are in short supply, limiting the growth, reproduction, or distribution of organisms.

Interspecific Competition

A form of competition between individuals of different species inhabiting the same ecological area.