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Which of the following statements on INR (international normalization ratio) is (are) correct? A. It is...

Which of the following statements on INR (international normalization ratio) is (are) correct?

A. It is calculated based on PT (prothrombin time)

B. It is calculated based on PTT (partial thromboplastin time)

C. It is used to monitor heparin therapy

D. INR values are laboratory-specific, and therefore cannot be compared among different hospitals

Solutions

Expert Solution

INR values are not calculated based on PPT, So option B is incorrect.

INR is used to monitor anticoagulanet therapy, not heparin therapy. So option C is incorrect.

INR values are laboratory-specific, and therefore cannot be compared among different hospitals, because they provides a standardised method of reporting.

So, option D is correct.

A prothrombin time (PT) is a test used to help detect and diagnose a bleeding disorder or excessive clotting disorder; the international normalized ratio (INR) is calculated from a PT result and is used to monitor how well the blood-thinning medication (anticoagulant) warfarin is working to prevent blood clots.

So, option A is the correct answer.

ANSWER:

option A and option D

gladiator answered 2 years ago
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