- A Blood pressure and total peripheral resistance
- B Heart rate and stroke volume
- C Heart rate and total blood volume
- D Stroke volume and total blood volume
Correct answer: B. Heart rate and stroke volume
Explanation: Cardiac output (volume of blood pumped per minute) equals heart rate multiplied by stroke volume (volume ejected per beat).
Concept context
Blood, lymph, the heart, the cardiac cycle, blood pressure, and ECG. High NEET weightage.