Adult Health II Respiratory NCLEX Questions Related

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Alteplase recombinant, or tissue plasminogen activator (t-PA), is administered during the first 6 hours after onset of myocardial infarction (MI) to:

  • A. Control chest pain.
  • B. Reduce coronary artery vasospasm.
  • C. Control the arrhythmias associated with MI.
  • D. Revascularize the blocked coronary artery.
Correct Answer: D

Rationale: t-PA dissolves clots in the coronary artery, restoring blood flow (revascularization) to the ischemic myocardium, critical within the first 6 hours of MI.