What Is the Purpose of the INR

question 38

Multiple Choice

What is the purpose of the INR?

• A)To standardize the patient's PT worldwide
• B)To minimize variability of results between laboratories
• C)To minimize variability of results between lots of thromboplastin
• D)All of the above

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Definitions:

SA Node

The sinoatrial node, often called the heart's natural pacemaker, initiates electrical impulses that set the rate and rhythm of heartbeats.

Ventricular Contractions

The tightening of the heart's ventricles, which pumps blood out of the heart and into the arteries.

P-QRS Waves

Represents the electrical activity that triggers the heartbeat, as recorded by an electrocardiogram.

Pulmonary Artery

The Pulmonary Artery carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.