The QRS Complex in an Electrocardiogram Best Represents

question 45

Multiple Choice

The QRS complex in an electrocardiogram best represents:

• A) depolarization of the atria
• B) repolarization of the atria
• C) depolarization of the ventricles
• D) repolarization of the ventricles
• E) the delay at the AV node

---

Definitions:

Worcester V. Georgia

A landmark 1832 Supreme Court case that held that state laws did not apply within Native American territories, affirming the federal government's authority in Native American affairs.

Chief Justice John Marshall

An influential U.S. Supreme Court Chief Justice from 1801 to 1835, known for strengthening the federal government's power over the states.

Cherokee Nation

A federally recognized Native American tribe with a sovereign government, originally located in the southeastern United States before many members were forcibly relocated.

Demographic Characteristic

Specific attributes used to categorize populations, including age, gender, ethnicity, education, occupation, and income levels.