An Action Potential

question 99

Multiple Choice

An action potential

• A) occurs when the local potential reaches threshold level.
• B) propagates across the plasma membrane in a decremental fashion.
• C) has no repolarization phase.
• D) is an example of negative feedback.
• E) cannot transmit information.

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Definitions:

Provisional Income

It's the total income a person has, including tax-exempt interest and half of their Social Security benefits, used to determine the taxability of Social Security benefits.

Social Security Benefits

Payments made to eligible individuals from the government, intended to support retirees, disabled persons, and survivors of deceased workers.

Taxability

The condition of being subject to taxes; applicable to income, goods, services, and transactions that can be taxed.

NonTaxable Income

Income that is not subject to taxation by the IRS or state tax authorities; examples include certain gifts, inheritances, and some types of insurance payouts.