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
Answer is B. Ans. (b) Binds to ryanodine receptors to block release of Ca++Ref: Lippincott 5thed 344