An Extra Character Added to a Numeric Code as a Device

question 146

Multiple Choice

An extra character added to a numeric code as a device to test the accuracy of data entered into a computer system is called a:

• A) control digit
• B) check digit
• C) mnemonic digit
• D) significant digit

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Definitions:

Hepatic Portal Vein

A vein that transports blood to the liver from the spleen and gastrointestinal tract.

AV Node

A part of the heart's electrical system that helps regulate the heart rate by delaying the transmission of electrical impulses.

SA Node

The sinoatrial node, often referred to as the SA Node, is the natural pacemaker of the heart. It generates electrical impulses that initiate the heartbeat, controlling heart rhythm.

Atrioventricular Bundle

A bundle of heart muscle fibers responsible for conducting electrical impulses from the atria to the ventricles of the heart.