Which of the following statements are true of cardiac output? (Read carefully and select all of the correct statements.)
A)Cardiac output equals stroke volume plus pulse.
B)Average resting cardiac output is approximately 5 liters per hour and varies with the size of the person.
C)A certain level of cardiac output is necessary to maintain proper oxygenation of tissues.
D)Cardiac output may be decreased by severe hemorrhage.

Question

Quizplus · Accepted Answer

Cardiac output is the volume of blood the heart pumps per minute, not per hour, and is calculated as stroke volume times heart rate, not stroke volume plus pulse. It is crucial for tissue oxygenation, and severe hemorrhage can decrease cardiac output by reducing blood volume.

Which of the Following Statements Are True of Cardiac Output