The Primary Role of the Carbonic-Acid-Bicarbonate Buffer System Is to

question 56

Multiple Choice

The primary role of the carbonic-acid-bicarbonate buffer system is to

• A) buffer stomach acid.
• B) buffer carbonic acid formed by carbon dioxide.
• C) limit pH changes caused by metabolic and fixed acids.
• D) buffer the urine.
• E) increase ventilation.

Correct payroll information using appropriate forms.

Identify the correct use and exemptions of Form W-9.

Understand the calculation of federal withholding tax on commissions.

Calculate self-employment taxes based on net earnings.