The Hormone That Is Produced by the Parafollicular Cells of the Thyroid

question 50

Multiple Choice

The hormone that is produced by the parafollicular cells of the thyroid gland is

• A) parathyroid hormone
• B) triiodothyronine
• C) thyroid-stimulating hormone
• D) thyroxine
• E) calcitonin

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Definitions:

Marginal Tax Rate

The marginal tax rate is the rate at which the last dollar of a taxpayer's income is taxed, indicating the rate of tax that applies to each additional dollar of taxable income.

Regressive Tax

A tax imposed in such a manner that the tax rate decreases as the amount subject to taxation increases.

Child Income Tax Credit

A tax credit offered to taxpayers for each qualifying dependent child, intended to help families manage the costs of raising children.

Income Tax Bracket

A range of incomes taxed at a particular rate under a progressive tax system.