ATI Comprehensive Predictor Retake Practice Test 2025 - Free Practice Questions and Study Guide

Question: 1 / 400

What is the normal INR (International Normalized Ratio) range?

0.5-1.0

0.8-1.2

The normal INR range for individuals not on anticoagulant therapy typically falls between 0.8 and 1.2. This range indicates the individual's blood clotting ability and is necessary for ensuring proper coagulation. An INR of 1.0 reflects a baseline level of clotting that is considered normal. In clinical practice, when a person is on anticoagulant medication, the target INR range may be higher, depending on the specific condition being treated and the physician's orders.

The lower end of the normal range (0.8) indicates that the blood is clotting adequately, while the upper end (1.2) ensures that there is sufficient caution in case of invasive procedures, where excessive bleeding could be a risk. Using these values, healthcare providers can monitor patients effectively to avoid complications related to both bleeding and thromboembolic events.

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1.3-1.7

1.0-1.5

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