Which Is an Action of the Levator Labii Superioris Alaeque

question 37

Multiple Choice

Which is an action of the levator labii superioris alaeque nasi?

• A)depresses the upper lip
• B)constricts the nostril
• C)depresses the lower lip
• D)flares the nostril

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Definitions:

Hit

In cognitive psychology, correctly identifying a stimulus from a set of alternatives in memory tasks; in sports, making successful contact with the target.

Just Noticeable Difference

The minimal change in stimulus intensity required to detect a difference between two stimuli, according to psychophysical research.

Visual Acuity

The sharpness or clarity of vision, often measured by the ability to discern letters or numbers at a given distance according to a standardized chart.

Absolute Threshold

The minimum level of stimulus intensity needed for a stimulus to be perceived or detected at least half the time by an observer.