Seven Milligrams of a Dye (D) Are Injected into a Vein

question 37

Multiple Choice

Seven milligrams of a dye (D) are injected into a vein leading to an individual's heart. The concentration of the dye in the aorta measured at 2-second intervals is shown in the accompanying table. Use Simpson's rule and the formula to estimate the person's cardiac output. Round the result to the nearest tenth.

• A) 6.1 L/min
• B) 6.2 L/min
• C) 4.4 L/min
• D) 5.8 L/min

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Definitions:

Ethanol

A volatile, flammable, colorless liquid, commonly known as alcohol, used in beverages and as a solvent or fuel.

Complete Combustion

A chemical process in which a compound, usually a hydrocarbon, reacts fully with an abundant supply of oxygen to produce carbon dioxide, water, and energy.

Ethane Gas

A colorless, odorless gas that is the simplest alkane, with the formula C2H6, used as a fuel and a petrochemical feedstock.