One of the Reasons That Action Potentials Only Go in One

question 62

Multiple Choice

 One of the reasons that action potentials only go in one direction, away from the cell body, is because

• A) the adjacent prior segment of axon is still at +40mV.
• B) voltage-dependent gates are limited in the frequency with which they can open.
• C) the adjacent prior segment is still in refractory period.
• D) the action potential temporarily disables the sodium-potassium pumps.

Grasp the concepts of income realization and the specific exclusions available concerning interest income from various sources.

Knowledge of when to report income based on the cash receipts and disbursements method.

Recognize the tax implications of bartering services and the determination of taxable income in bartering transactions.

Understand the principles of constructive receipt and the conditions under which income is considered earned.

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Definitions:

Discriminant Validity

The extent to which a construct is truly distinct from other constructs by empirical standards, often assessed through its lack of correlation with unrelated constructs.

Convergent Validity

When a scale correlates with other scales measuring the same construct.

Face Validity

When scale items appear, at face value, to measure what they are supposed to measure.

Convergent Validity

The degree to which two measures that theoretically should be related are actually related.