Body Fluids And Circulation Question 2
Question: Which of the following statements (s) is/are incorrect?
(i) The AV node and the bundle of His constitute the electrical link between the atria and the ventricles.
(ii) The bundle of His is a bundle of electrical nodes which allows the ventricles to contract.
(iii) The bundle of His is a group of fibres that carry the electrical impulses through the centre of the heart.
(iv) The bundle of His is located in the arterial region.
Options:
A) (ii), (iii) and (iv)
B) (i), (iii) and (iv)
C) (i), (ii) and (iv)
D) (i), (ii) and (iii)
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Bundle of His is present in the intraventricular septum connected to AV bundle and its branches reach the Purkinje fibres in the ventricles.
AV bundles provide the only route for the transmission of wave of excitation from the atria to ventricles.