Multiple choice

What is an “antitoxin”?

Directions: Emil von Behring and Kitasato devised a method of producing immunity to infections caused by organisms by injecting their toxins into animals so that an antitoxin would develop.

  1. A substance that inhibits the action of toxin.

  2. A substance that enhances the action of toxin.

  3. A substance that helps the toxin to work.

  4. A substance that neutralizes toxin.

  5. It has nothing to do with toxin.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antitoxin is a substance that neutralizes toxin.