Quiz: Bundle of His and Purkyne Fibres
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on what you've learned about the heart's electrical activity, let's test your knowledge of the Bundle of His and Purkyne fibres!
What is the primary role of the Bundle of His in the heart?
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Which of the following statements are true about the Purkyne fibres? (Select all that apply)
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The Bundle of His carries electrical impulses from the {{blank0}} node to the {{blank1}} fibres.
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Match the items on the left with their correct pairs on the right
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Where are Purkyne fibres primarily located?
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The electrical impulse takes approximately 0.03 seconds to travel through the Bundle of His. What is the total time if it takes an additional 0.15 seconds to pass through the Purkyne fibres?
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Match the items on the left with their correct pairs on the right
The electrical impulse slows down at the {{blank0}} node to allow the {{blank1}} to fully contract before the ventricles.
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What occurs when the Purkyne fibres stimulate the ventricles? (Select all that apply)
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What happens if the Bundle of His is damaged?
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