A Billboard Is Positioned Beside a Busy Highway

question 37

Multiple Choice

A billboard is positioned beside a busy highway. However, the merchant that has purchased the billboard complains that no response is being generated by his advertising message. Upon closer inspection, the billboard company determines that the typeface used is too small to be effectively read by a motorist going 60+ mph on the highway. Which of the following sensory thresholds would be most appropriate to explain the failure of this advertisement to connect with motorists?

• A) the intensity threshold
• B) the differential threshold
• C) the absolute threshold
• D) the relative threshold

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Definitions:

α-D-Glucopyranose

An isomer of glucose that has the pyranose (six-membered ring) form with the hydroxyl group on the first carbon in the alpha configuration.

Sucrose

A disaccharide composed of glucose and fructose, commonly known as table sugar.

Methyl β-D-Glucopyranoside

A chemical compound derived from glucose where a methyl group replaces the hydroxyl group at the anomeric carbon.

Aldaric Acid

A type of sugar acid derived from aldoses by oxidation of both the aldehyde group and the primary alcohol group to carboxylic acids.