When the SA Node Is Not Working Correctly, the Heart

question 17

Multiple Choice

When the SA node is not working correctly, the heart has a backup pacemaker called the ____________________ .

• A) coronary sulcus
• B) chorda tendinea
• C) atrioventricular (AV) node
• D) His-Purkinje system

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Definitions:

Ratification

The formal validation of a proposed law or constitutional amendment, usually by vote or consent of authorized legislative bodies or through a referendum.

National Bill

A legislative proposal debated and adopted by a national body, such as a parliament, to become a law.

Aristocratic Senate

A legislative body or chamber that is comprised of members of the aristocracy, typically representing privilege, inherited titles, or elevated social status.

Anti-Federalists

Individuals who opposed the ratification of the United States Constitution, fearing a too powerful central government.