Blood Plasma · Histology

Proteins like alpha-1 antitrypsin serve what function in the plasma?

  1. Binding to oxygen
  2. Supporting blood vessel structure
  3. Increasing blood glucose
  4. Acting as protease inhibitors
Show answer and explanation

Correct answer: Acting as protease inhibitors

Alpha-1 antitrypsin is a major alpha-globulin that inhibits elastase and other proteases. This protects tissues from accidental damage during inflammatory responses.

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