Anne Has Been Practicing Her New Ballet Moves All Week

question 558

Multiple Choice

Anne has been practicing her new ballet moves all week. She wants to earn a role in the local ballet company's latest show. Although she has learned the moves very well, she is still making mistakes the night before the audition. According to the social facilitation phenomenon, at the audition, in front of an audience, Anne will

• A)make the same number of mistakes as when she practiced
• B)perform the ballet moves correctly
• C)become distracted by the audience and create new moves at the audition
• D)make more mistakes than she usually did at home practicing

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Definitions:

Hyperpolarization

An increase in the membrane potential of a cell, making it more negative and less likely to fire an action potential.

Resting Membrane Potential

The electrical charge difference across the plasma membrane when a neuron or muscle cell is at rest.

Muscle

Tissue composed of fibers that can contract, causing movement of parts of the body.

Smooth Muscle Cells

Individual cells that make up smooth muscle, characterized by their ability to contract without voluntary control.