Homework Answers
1. Cardiac output is defined as the amount of blood pumped out of each ventricle per minute. It is expressed in two forms- stroke volume, minute volume. Cardiac output is the product of the heart rate or the number of heartbeats per minute, and the stroke volume.
2. Now cardiac output = stroke volume x heart rate
= 75 x 70
=5250 ml or 5.25 litres
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3. Define Cardiac Output. 4. If the stroke volume is 75 ml/beat and heart rate is...
The cardiac output, if the HR is 80 bpm and the stroke volume is 150 ml/beat,...
The cardiac output, if the HR is 80 bpm and the stroke volume is 150 ml/beat, would be: A6 L/min B. 12 L/min C. 15 L/min D. 20 L/min
5. Consider the following equation: Stroke volume = cardiac output / heart rate If a heart...
5. Consider the following equation: Stroke volume = cardiac output / heart rate If a heart fills up to 200ml of blood before contraction, and leaves 50ml in the heart after contraction, what would be the stroke volume? If the heart rate is 80 beats per minute, what would the calculated cardiac output? If the total peripheral resistance increases, what is likely to happen to the stroke volume? (Please address all three questions and include units to receive full credit.)...
If the stroke volume of the left ventricle is 63 mL/beat and the stroke volume of...
If the stroke volume of the left ventricle is 63 mL/beat and the stroke volume of the right ventricle is 66 mL/beat, what will happen to the relative distribution of blood in the systemic and pulmonary circulation after 15 beats? Explain, show calculations
B. Another patient's heart rate is only 50 beats/min. Her cardiac output is 3 L/min and...
B. Another patient's heart rate is only 50 beats/min. Her cardiac output is 3 L/min and her EDV is 110 ml. Calculate her ESV. Show your work, indicate proper units, and circle your answer.
List the factors that impact Cardiac Output Heart Rate Stroke Volume Arterial Pressure Peripheral Vascular Resistance
List the factors that impact Cardiac Output Heart Rate Stroke Volume Arterial Pressure Peripheral Vascular Resistance
Which of the follow is true or false? Regarding cardiac output: 1) INDEPENDENT OF STROKE VOLUME...
Which of the follow is true or false? Regarding cardiac output: 1) INDEPENDENT OF STROKE VOLUME 2)PRODUCT OF HEART RATE AND STROKE 3)VOLUME REMAINS CONSTANT PER GRAM OF HEART TISSUE 4)HEART RATE DIVIDED BY STROKE 5)VOLUME PRODUCT OF HEART RATE AND BLOOD PRESSURE
Experiment was conducted on bodily exercise of an individual and the cardiac output of such indiv...
Experiment was conducted on bodily exercise of an individual and the cardiac output of such individual rises to 25 L min1 from a resting Level of 5 L min-1. The heart rate of a well-trained athlete might rise from 60 beats per minute to 105 beats per minute and the mean arterial pressure may rise from 100 to 300 mmHg, whereas the heart rate of a secondary person might rise from 72 beats per minute to 125 beats per minute...
2 poin QUESTION 3 The cardiac output for an individual with a HR of 102 bpm...
2 poin QUESTION 3 The cardiac output for an individual with a HR of 102 bpm and stroke volume of 110 ml/beat would be approximately A 11 liters/min B. 14 liters/min C. 17 liters/min D. 22 liters/min
The equation 5800 R/V) can be used to determine the heart rate, R, of a person...
The equation 5800 R/V) can be used to determine the heart rate, R, of a person whose heart pumps 5800 millors (ml) of blood per minute and v millors blood per beat. Complete parts a) through c) below. the output per beat a) Find the rate of change of heart rate with R'()- b) Find the heart rate at v70 ml. per beat The heart rate is beats/min. (Round to two decimal places as needed) c) Find the rate of...
14). What is the difference between stroke volume and cardiac output? 15). What factor(s) influence stroke...
14). What is the difference between stroke volume and cardiac output? 15). What factor(s) influence stroke volume? 16). What factor(s) influence cardiac output? 17). What is the Frank Starling Law? 18). What factors influence end-diastolic volume? 19). What enzymes determine contractility of cardiac muscle? 20). How would you increase contractility of the heart at the molecular level?
The cardiac output, if the HR is 80 bpm and the stroke volume is 150 ml/beat, would be: A6 L/min B. 12 L/min C. 15 L/min D. 20 L/min
If the stroke volume of the left ventricle is 63 mL/beat and the stroke volume of the right ventricle is 66 mL/beat, what will happen to the relative distribution of blood in the systemic and pulmonary circulation after 15 beats? Explain, show calculations
B. Another patient's heart rate is only 50 beats/min. Her cardiac output is 3 L/min and her EDV is 110 ml. Calculate her ESV. Show your work, indicate proper units, and circle your answer.
Experiment was conducted on bodily exercise of an individual and the cardiac output of such individual rises to 25 L min1 from a resting Level of 5 L min-1. The heart rate of a well-trained athlete might rise from 60 beats per minute to 105 beats per minute and the mean arterial pressure may rise from 100 to 300 mmHg, whereas the heart rate of a secondary person might rise from 72 beats per minute to 125 beats per minute...
2 poin QUESTION 3 The cardiac output for an individual with a HR of 102 bpm and stroke volume of 110 ml/beat would be approximately A 11 liters/min B. 14 liters/min C. 17 liters/min D. 22 liters/min
The equation 5800 R/V) can be used to determine the heart rate, R, of a person whose heart pumps 5800 millors (ml) of blood per minute and v millors blood per beat. Complete parts a) through c) below. the output per beat a) Find the rate of change of heart rate with R'()- b) Find the heart rate at v70 ml. per beat The heart rate is beats/min. (Round to two decimal places as needed) c) Find the rate of...
14). What is the difference between stroke volume and cardiac output? 15). What factor(s) influence stroke volume? 16). What factor(s) influence cardiac output? 17). What is the Frank Starling Law? 18). What factors influence end-diastolic volume? 19). What enzymes determine contractility of cardiac muscle? 20). How would you increase contractility of the heart at the molecular level?
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