The AV Node Has Several Important Functions That Help the Heart

question 3

Multiple Choice

The AV node has several important functions that help the heart work effectively. Which of the following is not a function of the AV node?

• A)It causes the delay of electrical impulses, which limits the number of impulses traveling to the ventricles.
• B)It allows for a delay to provide time for the blood to travel from the atria to the ventricles before they contract.
• C)It causes a loss of atrial kick.
• D)It serves as a backup pacemaker if the SA node fails.

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Definitions:

Average Inventory

A metric that estimates the amount of inventory a business has on hand over a certain period, calculated by taking the sum of the beginning and ending inventory levels divided by two.

Periodic Inventory System

An inventory accounting system where updates to inventory levels are made on a periodic basis, as opposed to continuously.