The "QRS" Complex Visible in a Normal Electrocardiogram Is Associated

question 20

Multiple Choice

The "QRS" complex visible in a normal electrocardiogram is associated with the

• A)excitation from the AV node and depolarization of the ventricles.
• B)excitation from the SA node and depolarization of the atria.
• C)excitation from the SA node and repolarization of the ventricles.
• D)excitation from the AV node and repolarization of the atria.
• E)activity in the vagus nerve and release of acetylcholinE.

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Definitions:

Auscultating

The act of listening to the sounds made by internal organs of the body, typically with a stethoscope, as a method of diagnosing medical conditions.

Palpatory Reading

The technique of examining the body by touch, especially for the purpose of diagnosing disease or illness.

Radial

Related to the radius bone or the radial artery, often used in the context of the lateral aspect of the forearm.

Subnormal

Below the normal or average level, often relating to temperature, intelligence, or health status.