The QRS Complex Represents

question 70

Multiple Choice

The QRS complex represents

• A) depolarization of the atria
• B) depolarization of the ventricles
• C) the AV nodal delay
• D) repolarization of the ventricles
• E) the time during which the heart is contracting

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Definitions:

N-butanol

An alcohol with a four-carbon chain, commonly used as a solvent and in the synthesis of various organic compounds.

Tert-butanol

A tertiary alcohol with the formula (CH3)3COH, known for its high octane number and as a solvent or chemical intermediate.

Sample

A small part or quantity intended to show what the whole is like.

Major Organic Product

In a chemical reaction with organic compounds, it is the key product formed with the highest yield.