The QRS Complex Represents

question 43

Multiple Choice

The QRS complex represents:

• A)atrial depolarization.
• B)ventricular repolarization.
• C)ventricular depolarization.
• D)atrial repolarization.

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Definitions:

Pentane

A hydrocarbon with the formula C5H12, consisting of five carbon atoms linked together in a straight chain.

Condensed Structural Formula

A method of representing the molecular structure of a compound in a simplified manner, showing how atoms are bonded without detailing the actual bond locations.

Resonance Structures

Different Lewis structures for the same molecule that depict the delocalization of electrons within the molecule.

Major Contributor

In resonance theory, refers to the resonance structure that makes the largest contribution to the overall hybrid structure based on stability.