Which of the component of an ECG is correctly matched below -Peak P and R together - systolic and diastolic blood pressures-QRS - one complete pulse-Peak P - initiation of left atrial contraction only-Peak T - initiation of total cardiac contraction-

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Biology

The Pulse

Which of the ...

Question

Which of the component of an ECG is correctly matched below ?

Peak P - initiation of left atrial contraction only.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Peak T - initiation of total cardiac contraction

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Peak P and R together - systolic and diastolic blood pressures

No worries! We‘ve got your back. Try BYJU‘S free classes today!

QRS - one complete pulse

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
QRS - one complete pulse

By counting the number of QRS complexes that occur in a given period, one can determine the heart rate (pulse) of an individual. The QRS complex represents the depolarisation of the ventricles, which initiates the ventricular contraction.

Suggest Corrections

Similar questions

Which of the following correctly explains a phase/event in the cardiac cycle in a standard electrocardiogram?
(a) QRS complex indicates atrial contraction.
(b) QRS complex indicates ventricular contraction
(c) Time between S and T represents atrial systole.
(d) P-Wave indicates the beginning of ventricular contraction.

Q. Assertion :In ECG graph of heart, pulse 'R' is the peak point. Reason: It shows the atrial depolarisation which takes 0.2 seconds.

Q. Consider the following statements:
1. The force that blood exerts force against the wall of a vessel is called blood pressure.
2. The pressure of blood inside the artery during contraction is called systolic pressure and pressure in an artery during relaxation is called diastolic pressure.
3. Blood pressure is measured with an instrument called sphygmomanometer.
Which of the statements given above are correct?

Q. Cardiac muscle rests during-
(a)Atrial Diastole
(b)Atrial Systole
(c)Ventricular Diastole
(d)Ventricular Systole

Q. QRS complex in an ECG is not related to
A. Ventricular contraction
B. A measure of determining the heartbeat
C. Stroke volume of the cardiac cycle
D. Ventricular depolarization

Join BYJU'S Learning Program

Which of the component of an ECG is correctly matched below ?

The correct option is D QRS - one complete pulse By counting the number of QRS complexes that occur in a given period, one can determine the heart rate (pulse) of an individual. The QRS complex represents the depolarisation of the ventricles, which initiates the ventricular contraction.

The correct option is D
QRS - one complete pulse

By counting the number of QRS complexes that occur in a given period, one can determine the heart rate (pulse) of an individual. The QRS complex represents the depolarisation of the ventricles, which initiates the ventricular contraction.