For the next few questions, select from: a) Sinoatrial node b) Atrioventricular

Question

For the next few questions, select from: a) Sinoatrial node b) Atrioventricular node c) Internodal pathway d) Left and right bundle branches e) Bundle of His ab) Purkinje fibers 26) The_is the first part of the electrical conduction pathway that is completely within the ventricles. 27) This is the lead (fastest) pacemaker of the heart. 28) The electrical signal slows down at this point in the conduction pathway to allow the atria to contract fully before the ventricles are cued to contract. 29) The spreads the signal over the largest portion of the heart. Page 2 of 8 FORM

Explanation / Answer

Answer 26. The atrioventriclar node is the first part of electrical conduction pathway that is completely within the ventricle.

Answer 27. Sinoatrial node is the pacemaker of the heart.

Answer 28. The electrical signal slows at internodal pathway in the conduction pathway to allow the atria to contract fully before the ventricle are cued to contract.

Answer 29. The left and right bundle branches spreads the signals over the largest portion of heart.

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