Pharmacology Mechanism of action of dantroline is? A Inhibits Ca++ secretion from sarcoplasm B Binds to ryanodine receptors to block release of Ca++ C Inhibits GABA D Inhibits Gamma motor neuron 💡 Explanation Mechanism of action of dantroline is? ✓ Correct Answer: B. Binds to ryanodine receptors to block release of Ca++