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Choose the correct statement....

Choose the correct statement.

A

T-wave in ECG represents excitation of ventricles

B

Sum of P and T waves can determine heart beat rate

C

End of P-wave marks end of systole

D

In a standard ECG, a person is connected to machine with three electrical leads

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Verified by Experts

The correct Answer is:
D
Einthoven got Noble prize in 1924 for the discovery of ECG (1903).
Einthoven is called father of electrocardiagraphy.
To obain a standerd ECG, a partient is connected to the machine with three electrical leads (one to each wrist and to the left ankle) that continuously monitor the heart activity.
For a detailed evalution of heart' s function, multiple leads are attached to the chest region.
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A2Z-BODY FLUIDS AND CIRCULATION -SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (NEET/AIPMT Questions )
  1. If blood pressure reads 140 systole and 90 diastole, the condition is ...

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  2. Choose the correct option. (i) Human heart is ectodermal in origin. ...

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  3. Choose the correct statement.

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  4. From which part of heart does the largest artery arise

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  5. Volume of blood that enters aorta with each ventricular systole is

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  6. Select the correct option.

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  7. The other term for heart attack is

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  8. Which is not correct about circulatory system of aves

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  9. How do parasympathertic neural signals affect the working the heart

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  10. Person with blood group AB is considered as universal recipient becaus...

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  11. Mitral vave in mammalian heart guards the opening between

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  12. A cainical condition in which the bond marrow stops producing WBC, is ...

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  13. The RBC membrane of a person contains no antigen. His blood group will...

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  14. Which of the following statements is true with respect to sounds produ...

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  15. Person with blood group 'O' are universal donors because they have

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  16. Blood pressure in the mammalina aorta is maximum during

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  17. Which one of the following is correct?

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  18. Erythropoiesis starts in

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  19. Doctors use stethoscope to hear the sounds produced during each cardia...

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  20. hearding of arteries due to precipitatin of Ca salts and chlosterol ca...

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