A Client Diagnosed with Atrial Fibrillation Is Prescribed a Calcium

question 7

Multiple Choice

A client diagnosed with atrial fibrillation is prescribed a calcium channel blocker to help control the ventricular rate.The nurse plans to monitor the client's cardiac rhythm strip for which change?

• A)Widening of the QRS complex
• B)Widening of the QT interval
• C)Inverted T waves
• D)Prolongation of the PR interval

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Definitions:

Fast-Acting

A term describing something that takes effect or produces results quickly.

A-Delta Fibres

Fast-conducting nerve fibers that transmit sharp, acute pain sensations to the brain.

Trichromatic Theory

A theory of color vision proposing that the human eye has three types of receptors with different sensitivities to light wavelengths, responsible for the perception of color.

Afterimage Phenomenon

A visual illusion where an image continues to appear briefly even after exposure to the actual image has ceased.