Neuromuscular blocking drugs are not safe during pregnancy, lactation, or in children younger than __________ years

Propylene glycol has been shown by the World Health Organization to increase seizure risk in children at what amount?

A) 15 mg/kg per day B) 5 mg/kg per day C) 25 mg/kg per day D) 2 mg/kg per day

The thick, tough outer covering of the brain and spinal cord is the ____

A) arachnoid membrane B) dura mater C) pia mater D) choroid mater