NCLEX RN Practice Question # 961

NCLEX Examination.

Practice Question # 961.


nclex examination.


Heparin sodium


  • Heparin prevents thrombin from converting fibrinogen to fibrin.
  • Heparin prevents thromboembolism.
  • The therapeutic dose does not dissolve clots but prevents new thrombus formation.

Blood levels

  • The normal activated partial thromboplastin time (aPTT) is 30 to 40 seconds (conventional and SI units) in most laboratories (values depend on reagent and instrumentation used).
  • To maintain a therapeutic level

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