Heparin Sodium Is an Anticoagulant

question 20

Multiple Choice

Heparin sodium is an anticoagulant.The basic mechanism of heparin's action is best described as:

• A) it blocks the conversion of prothrombin to thrombin and fibrinogen to fibrin.
• B) it acts as an enzyme by lysing the fibrin-thrombin matrix.
• C) it extends the activated partial thromboplastin time (APTT).
• D) it dissolves and liquefies existing blood clots and thromboemboli.

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Learn to use Excel for date and time manipulation.

Understand the use of COUNT and COUNTA functions for data analysis.

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