Infusion of phentolamine into the cerebrospinal fluid of an experimental animal will prevent the blood pressure-lowering action of

Infusion of phentolamine into the cerebrospinal fluid of an experimental animal will prevent the blood pressure-lowering action of

The brief duration of action of an ultra-short-acting barbiturate is due to

An overdose victim presents to the emergency department with an elevated heart rate, decreased blood pressure, dilated pupils, and lethargy, upon arrival to the ICU, she has a generalized tonic-clonic seizure that is treated with IV diazepam and fosphenytoin. Which of the following is the most likely intoxicant?

Phenytoin is effective for the treatment of all of the following types of seizures except

Which of the following mechanisms of action most likely contributes to the treatment of parkinsonism?