Apatient is having surgery to repair a ruptured achilles tendon. the patient develops severe muscle contractions and hyperthermia. which medications will be administered?

Severe widespread muscular contractions, along with malignant hyperthermia, needs to be treated immediately with IV Dantrolene (Dantrium or Ryanodex).
Dantrolene works as a post-synaptic muscle relaxant by blocking receptors for ryanodine, thereby being called a "Ryanodine Receptor Antagonist" (RRA).

So you and your partner don’t get sexually transmitted diseases and so your partner doesn’t get pregnant