Examine the Table Below

question 15

Multiple Choice

Examine the table below. What do the z-scores (i.e. standardized residuals) for the two variables tell us?

• A) Athletes who were inspired by the London Olympics had a significant z-score.
• B) Non-athletes who were inspired by the London Olympics had a significant z-score.
• C) None of the z-scores were significant.
• D) Athletes who were not inspired by the London Olympics had a significant z-score.

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Definitions:

Voltage-Sensitive

Voltage-sensitive refers to the property of a molecule, ion channel, or membrane to respond to changes in electrical potential or voltage across it.

Sodium Channels

Ion channels found in the membranes of cells, allowing for the passage of sodium ions, important in the generation and conduction of action potentials in neurons and muscle cells.

Cell Membrane

A partial-permeable barrier encasing the cell's cytoplasm, regulating the movement of materials into and from the cell.

Axons

are long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron’s cell body.