The Sinoatrial Node, or Cardiac Pacemaker, Is ________

question 121

Multiple Choice

The sinoatrial node, or cardiac pacemaker, is ________.

• A) electrically active nodal tissue located in the wall of the left ventricle
• B) embedded in the anterior two-thirds of the interventricular septum
• C) able to cause the atria and ventricles to contract simultaneously
• D) able to cause the cardiac muscle to begin to contract at the apex
• E) embedded in the posterior wall of the right atrium, near the entrance of the superior vena cava

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Definitions:

Debit Posted

An accounting entry that increases an asset or expense account, or decreases a liability or equity account, reflected on the left side of an account.

Credit Posted

The process of recording a credit transaction in the accounting records, indicating an increase in liabilities or a decrease in assets.

General Ledger

The primary accounting record of a company that uses double-entry bookkeeping, summarizing all transactions.

Chart of Accounts

A structured list of all the financial accounts in the general ledger of a company.