What is the cardiac output when O₂ consumption = 180 mL/min,arterial O₂ content = 18.4 vol%,and mixed venous O₂ content = 14.4 vol%.
A) 4.5 mL/min
B) 5.5 mL/min
C) 6.5 mL/min
D) 7.5 mL/min

Question

Quizplus · Accepted Answer

Cardiac output = oxygen consumption ÷ (arterial O₂ content - mixed venous O₂ content).18.4 vol% = 18.4 mL/100 mL and 14.4 vol% = 14.4 mL/100 mL.Therefore,180 mL/min ÷ (18.4 mL/100 mL - 14.4 mL/100 mL)10 = 4.5 mL/min.

What Is the Cardiac Output When O₂ Consumption = 180