Conduction system of the heart (CV)

Question 1

What is the order of the cardiac cycle

Answer 1

1. SA Node
2. AV Node
3. Bundle of His
4. Purkinje Fibres

Question 2

Define the Sinoatrial Node function

Answer 2

Creates impulses across both atrias causing contractions

Question 3

Purkinje Fibres function

Answer 3

To conduct electrical impulses rapidly and efficiently throughout the ventricles

Question 4

Bundle of His function

Answer 4

To coordinate the contraction of the atria and ventricles

Question 5

Atrioventricular Node function

Answer 5

Transmit electrical impulses from the atria to the ventricles.