The Normal Width of the QRS Complex Is Which of the Following

question 32

Multiple Choice

The normal width of the QRS complex is which of the following?

• A) 0.06 to 0.10 seconds.
• B) 0.12 to 0.20 seconds.
• C) 1.5 to 2.5 small boxes.
• D) 3.0 to 5.0 small boxes.
• E) 0.04 seconds or greater.

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Definitions:

Insertion

The place where a muscle is attached to the bone that it moves.

Orbicularis Oculi

A circular muscle around the orb of the eye involved in closing the eyelids and enabling various facial expressions.

Diaphragm

A muscular and membranous partition separating the abdominal and thoracic cavities, crucial in the respiratory process.

Tendon

Fibrous connective tissue serving to attach muscles to bones.