Multiple choice

Which one of the following substances is known to inhibit the functioning of Na+K+ pump?

  1. Chalone

  2. Ricin

  3. Oubain

  4. Lauryl sulfate

  5. Rifampicin

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

Its mechanism of action involves its binding to and inhibition of the plasma membrane Na+/K+-ATPase (sodium pump) especially at the higher concentrations attainable in vitro or with intravenous dosage.