NEET Solved Paper 2019 Question 26
Question: What would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL? [NEET 5-5-2019]
Options:
A) 100 beats per minute
B) 125 beats per minute
C) 50 beats per minute
D) 75 beats per minute
Show Answer
Answer:
Correct Answer: A
Solution:
- Cardiac output = Stroke volume $ \times $ Heart rate Where stroke volume = End diastolic volume - End systolic volume = 100 ml - 50 ml = 50 ml
