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What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
- a)50 beats per minute
- b)75 beats per minute
- c)100 beats per minute
- d)125 beats per minute
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
What would be the heart rate of a person if the cardiac output is 5 L,...
Cardiac output = stroke volume × Heart rate
⇒ Cardiac output = 5L or 5000 ml
⇒ Blood volume in ventricles at the end of diastole = 100 ml
⇒ Blood volume in ventricles at the end of systole = 50 ml
Stroke volume = 100 – 50
= 50 ml.
So,
5000 ml = 50 ml × Heart rate
So, Heart rate = 100 beats per minute.
⇒ Cardiac output = 5L or 5000 ml
⇒ Blood volume in ventricles at the end of diastole = 100 ml
⇒ Blood volume in ventricles at the end of systole = 50 ml
Stroke volume = 100 – 50
= 50 ml.
So,
5000 ml = 50 ml × Heart rate
So, Heart rate = 100 beats per minute.
Most Upvoted Answer
What would be the heart rate of a person if the cardiac output is 5 L,...
To calculate the heart rate of a person, we need to use the formula for cardiac output, which is the amount of blood pumped by the heart in one minute. The formula for cardiac output is:
Cardiac Output = Heart Rate x Stroke Volume
Given that the cardiac output is 5 L and the stroke volume at the end of diastole is 100 mL, we can rearrange the formula to solve for the heart rate:
Heart Rate = Cardiac Output / Stroke Volume
Now let's plug in the given values:
Heart Rate = 5 L / 100 mL
First, we need to convert mL to L:
Heart Rate = 5 L / 0.1 L
Simplifying the expression, we get:
Heart Rate = 50 beats per minute
However, this is the heart rate at the end of diastole. To find the heart rate at the end of ventricular systole, we need to use the stroke volume at the end of ventricular systole, which is 50 mL.
Repeating the same calculation using the new stroke volume, we get:
Heart Rate = 5 L / 50 mL
Again, we need to convert mL to L:
Heart Rate = 5 L / 0.05 L
Simplifying the expression, we get:
Heart Rate = 100 beats per minute
Therefore, the correct answer is option 'C', which is 100 beats per minute.
Cardiac Output = Heart Rate x Stroke Volume
Given that the cardiac output is 5 L and the stroke volume at the end of diastole is 100 mL, we can rearrange the formula to solve for the heart rate:
Heart Rate = Cardiac Output / Stroke Volume
Now let's plug in the given values:
Heart Rate = 5 L / 100 mL
First, we need to convert mL to L:
Heart Rate = 5 L / 0.1 L
Simplifying the expression, we get:
Heart Rate = 50 beats per minute
However, this is the heart rate at the end of diastole. To find the heart rate at the end of ventricular systole, we need to use the stroke volume at the end of ventricular systole, which is 50 mL.
Repeating the same calculation using the new stroke volume, we get:
Heart Rate = 5 L / 50 mL
Again, we need to convert mL to L:
Heart Rate = 5 L / 0.05 L
Simplifying the expression, we get:
Heart Rate = 100 beats per minute
Therefore, the correct answer is option 'C', which is 100 beats per minute.
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What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?a)50 beats per minuteb)75 beats per minutec)100 beats per minuted)125 beats per minuteCorrect answer is option 'C'. Can you explain this answer?
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What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?a)50 beats per minuteb)75 beats per minutec)100 beats per minuted)125 beats per minuteCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?a)50 beats per minuteb)75 beats per minutec)100 beats per minuted)125 beats per minuteCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?a)50 beats per minuteb)75 beats per minutec)100 beats per minuted)125 beats per minuteCorrect answer is option 'C'. Can you explain this answer?.
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