CLTM exam Questions And Answers

VNS (vagus nerve stimulation) correct answer: Dr. Zabara developed in the mid-80s. FDA approved in 1997 for partial seizure onset. VNS device is made of correct answer: constant current pulse generator and 2 platinum spiral electrodes; coiled around left vagus nerve. VNS, how does it stop seizure? correct answer: Thought to increase inhibitory neurotransmitters and decrease excretory neurotransmitters. Blood flow increases and decreases in different parts of brain also contributes. FIRDA caused by: correct answer: toxic metabolic encephalopathy VSN seizure highest % decrease (year): correct answer: 3 years post implantation Lennox-Gastaut and VNS: correct answer: these patients become more alert and have better behavior control Intermittent Rhythmic Delta Activity (IRDA) correct answer: Is seen maximal over the frontal or occipital lobes and can be caused by various reasons, some benign or unknown, but also are commonly associated with lesions and tumors. Gray matter is sick right now. % of epileptic patients who are refractory to medication: correct answer: 30% Locus Ceruleusceruleus: correct answer: A nucleus in the pons involved with physiological responses to stress and panic; principal site for brain synthesis of norepinephrine