Go through the following statements,
(i) The stroke volume multiplied by heart rate gives the cardiac output.
(ii) The second heart sound is associated with the closure of semilunar valves
(iii) Heart failure is the same as cardiac arrest or a heart attack.
Which of these are correct ?

First heart sound is associated with the closure of _______ valves whereas second heart sound is associated with the closure of _____valves.

First heart sound is associated with the closure of _______ valves whereas second heart sound is associated with the closure of _____valves.

Which of the following statements about heart sound is correct?

Which of the following statements about heart sound is correct?

Read the following statements (A – D ) (A) QRS complex in ECG indicates ventricular depolarization. (B) The electrocardiograph machine is used to obtain Electrocardiogram a (ECG ) on graph paper . (C) During a cardiac cycle , the left ventricular pumps out about 70 ml is of Oxygenated blood which is called the cardiac output . (D) The second heart sound is associated with the closure of the semilunar valves . How many statements from the above is /are incorrect ?

Read the following statements (A – D ) (A) QRS complex in ECG indicates ventricular depolarization. (B) The electrocardiograph machine is used to obtain Electrocardiogram a (ECG ) on graph paper . (C) During a cardiac cycle , the left ventricular pumps out about 70 ml is of Oxygenated blood which is called the cardiac output . (D) The second heart sound is associated with the closure of the semilunar valves . How many statements from the above is /are incorrect ?

What is the stroke volume in a person if his resting cardiac output is 5.25 L/min and heart rate = 75/min?

What is the stroke volume in a person if his resting cardiac output is 5.25 L/min and heart rate = 75/min?

Which of the following Statement is correct about heart failure ?

Which of the following Statement is correct about heart failure ?