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

Question

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

Quizplus · Accepted Answer

Using Simpson's rule with the given formula, the cardiac output can be estimated as:

(2/3)(7/2 + 3(7.2 + 6.4 + 5.6 + 4.8 + 4 + 3.6 + 3.2 + 3)) = 6.2 L/min

Therefore, the best choice is B, 6.2 L/min.

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